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Best Indoor Thermometers In 2021

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This product guide was written by GearHungry Staff
Published January 29, 2020
GearHungry Staff
GearHungry Staff posts are a compilation of work by various members of our editorial team. We update old articles regularly to provide you the most current information. You can learn more about our staff here.
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Indoor thermometers are important assets for most homeowners. You can use them to check the efficiency of your heating system, to make sure you have a healthy temperature in your home, or to monitor the temperature in other enclosed spaces, such as a greenhouse, hatchery, or wine cellar. The models evolved over the years, and now, the best indoor thermometers feature digital displays, hygrometer function, and app connectivity, to name just a few. They fit perfectly into trendy smart home designs but are still as easy to use as the conventional models.

With so many devices on the market, though, choosing the best indoor thermometer is far from easy. That’s why we did the hard work for you, roaming the market and finding the most promising models. Curious to know which made it to our list? Check them out below.

The Best Indoor Thermometer

1
Govee WiFi Digital Hygrometer Indoor Thermometer

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The Govee WiFi Digital Indoor Hygrometer Thermometer might be the best choice for most homeowners. It combines the functionality of an indoor thermometer with that of a hygrometer, helping you measure both the temperature and the relative humidity in your home.

Its greatest highlight is the high-precision built-in sensor developed to deliver accurate readings. Thanks to this technology, you can rest assured you’ll get reliable data each time. A switch temp function gives you the possibility to check the temperature in either Celsius or Fahrenheit. Furthermore, the simple one-button design makes it easy to calibrate the unit and set temperature or humidity alarms.

These features, together with the wide temperature (14-140°F) and humidity (0-99%) ranges, make the Govee thermometer perfect to use for a variety of purposes, such as monitoring the temperature and humidity in your greenhouse or sprouting room, in a wine cellar, or even in a barn or hatchery.

Wi-Fi connectivity allows you to save up to two years of readings so that you can check both current and historical data, either directly on the device or on the Govee Home app. Needless to say that the app lets you keep an eye on your spaces even from a distance.

Compact, versatile, and easy to use, this digital thermometer is undoubtedly the best for most homes.

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Key Features:

Wireless

Remote monitor alarm

Dual display modes

On-board and in-app data storage

Temperature range: 14°F – 140°F

Humidity range: 0% – 99%

Specification:
  • BrandGovee
  • ModelH5051
  • Weight3.2 ounces
Pros

Accurate temperature and humidity readings

Reliable Wi-Fi and Bluetooth connection

Easy-to-use, well-presented graphs

Push notifications for alarms

Cons

Alarms cannot be changed remotely

LCD screen has no backlight

CHECK PRICE ON AMAZON

2
Veanic Mini Digital Indoor Thermometer

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If you primarily want to monitor humidity rather than temperature or look for a hygrometer-thermometer that doesn’t break the bank, then the Veanic Mini could be the best device to get your hands on. As its name suggests, it is a two-in-one meter with a built-in probe for both indoor temperature and humidity.

Rather basic functionality makes it ideal for those who appreciate simplicity. There are no complicated functions to set up, no alarms, and no app connectivity. While some might think of it as a drawback, quite a few users see it as a blessing. Its compact size adds versatility to the game, allowing you to place it in most spaces. Whether you want to measure the temperature and humidity in your fridge, in the rooms, or in a greenhouse, this indoor thermometer makes it all possible.

We also like that the unit comes in a pack of four, so you can monitor multiple environments without hassle. The thermometer is factory-calibrated and ready to measure temperatures in the -58°F to 158°F range or relative humidity from 10% to 99%. Inexpensive and easy to use, it undoubtedly brings outstanding value for money. You may also like some of the best weather stations from our list, so be sure to check them out.

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Key Features:

Large LCD screen

Two-in-one built-in probe

Factory calibrated

Temperature range: -58°F – 158°F

Humidity range: 10% – 99%

Specification:
  • BrandVeanic
  • Model8541833457
  • Weight0.6 ounces
Pros

Simple, easy-to-use design

Consistent readings between the four meters

Runs on replaceable batteries

Cons

Temperature displayed in Fahrenheit only

Doesn’t work well in extremely humid environments

CHECK PRICE ON AMAZON

3
ThermoPro TP50 Digital Hygrometer Indoor Thermometer

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The ThermoPro TP50 might be mistaken for a cheap indoor thermometer, but don’t be fooled by its looks. This is a highly accurate device designed to help you maintain optimal living conditions in your home. An array of features make it worthy of the best indoor thermometer title. The one we like best is the smiley face air comfort indicator that lets you know whether the air in your room is too dry, too wet, or comfortable.

Smiley face apart, the unit also displays the actual humidity level, so that you can always be aware of any environmental changes. Like our best value, it measures temperature in the -58°F-158°F range. Daily high and low records – as well as the current temperature – make it perfect to use in your rooms, but also as a cigar hygrometer, to check the temp in your fridge or freezer, and more.

A tabletop stand and magnetic back give you multiple placement options, either on a shelf, counter, or attached to a fridge or other metal panel.

Another highlight is the large display that makes it easy to see all readings at a glance.

Extremely sensitive and highly accurate, this indoor thermometer can easily impress with its smart, premium design. Our guide to the best air quality monitors features more useful products for your home, so be sure to check them out.

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Key Features:

Air comfort indicator

Daily high and low temp/humidity records

10 seconds refresh rate

Fahrenheit/Celsius selector

2.7-inch display

Temperature range: -58°F – 158°F

Humidity range: 10% – 99%

Specification:
  • BrandThermoPro
  • Weight2.72 ounces
Pros

The large and backlit LCD screen

Various placement possibilities

Battery-operated

Wide temperature and humidity ranges

Cons

Low and high readings require a daily manual reset

CHECK PRICE ON AMAZON

4
Govee Thermometer Hygrometer

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This Govee Thermometer Hygrometer is a less technological – as well as less expensive – version of the Govee above. The main difference between the two is the lack of Wi-Fi connectivity on this model. Design-wise, this indoor thermometer is rectangular with rounded edges rather than oval, a wiser choice for those who look for a larger display and don’t really care about Wi-Fi connectivity or other bells and whistles.

But just because it lacks Wi-Fi, it doesn’t mean that you can’t control it from a distance. The device connects with the Govee Home app via Bluetooth, letting you check the temperature and humidity at all times and sending alerts when they are out of a pre-set range. Thanks to this intelligent function and a remote range up to 260 feet, the unit is suitable to use in your home and not only. Like our top pick, this device comes with the Swiss-made SHT30 sensor that provides high-accuracy monitoring in most enclosed spaces, from your rooms to a greenhouse or wine cellar. If you also wish to be able to track the temperature both inside and outside at the same time, check out our selection of the best indoor outdoor thermometers and find the right one for your home.

Key Features:

Large LCD screen

Up to 20 days of on-board data storage

Bluetooth connectivity

High-accuracy sensor

Up to 260ft remote range

Temperature range: -4°F – 140°F

Humidity range: 0% – 100%

Specification:
  • BrandGovee
  • ModelH5075
  • Weight0.64 ounces
Pros

Easy to access current and historical data

Historical low and high temperature and humidity

Temp and humidity alarms

Cons

Hard to read display

CHECK PRICE ON AMAZON

5
Habor Digital Hygrometer Indoor Thermometer

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The Habor Digital Hygrometer Indoor Thermometer is one of the simplest models on this list, but we like its ease of use and accuracy. Don’t expect anything fancy, such as wireless connectivity or integration with your mobile or smart home devices. However, this mini temperature and humidity monitor comes with a wealth of pluses. Its greatest strength is the high accuracy and reliability. The unit uses 24 sensitive vents to provide accurate readings, which are updated every 10 seconds.

Maybe the range is not the widest, but considering that this is an indoor thermometer, the temperature from 32°F to 122°F and humidity from 20% to 95% ranges are still sufficient. Indeed, these ranges make it an excellent choice not only for your home, but also for a garage, greenhouse, cellar, or even an RV.

Compact and lightweight, the monitor is also highly portable. A comfort level indicator lets you know whether it’s time to adjust the thermostat, humidistat, or dehumidifier settings, so you can enhance your health and prevent dry skin, mold, and even allergies or asthma.

Like most indoor thermometers, this mini device has multiple mounting options and is very easy to read and operate. Just what you need if you don’t want to break the bank.

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Key Features:

High-accuracy sensors

Bright LCD screen

Switchable Fahrenheit to Celsius

Six months of battery endurance

Temperature range: 32°F – 122°F

Humidity range: 20% – 95%

Specification:
  • BrandHabor
  • Model118AW
  • Weight1.28 ounces
Pros

Compact and portable

Tabletop, wall- and magnet-mountable

Easy-to-read display

Comfort level indicator

Cons

No backlight on the display

Rather restricted temperature and humidity ranges

CHECK PRICE ON AMAZON

6
Govee Temperature Humidity Monitor

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Next entry on our list of best indoor thermometers is another Govee temperature and humidity monitor. Half-way between our top pick and the budget option above, this model impresses with higher Bluetooth covering range and better compatibility with Apple and Android devices.

Like most Govee’s, the unit boasts precise sensors that deliver reliable, accurate data. Two display modes let you see either the current temperature and humidity or access historical data. Similar to the H5051 model, the unit can store up to 20 days of data, and you can even choose to record and export up to two years’ worth of readings. The 328 feet Bluetooth covering range make it a tad more attractive than its H5075 counterpart. Similar to other Govee units, it works with the Govee Home app to let you monitor the temp and humidity from a distance. Not as expensive as the H5051 but more feature-packed than the H5075, this is a great choice if you’re looking for the best compromise between price and functions. For more amazing devices for your home, check out our guide to the best smart thermostats. 

Key Features:

Bluetooth connectivity

Built-in Swiss-made SHT30 high-precision sensor

Easy app remote control

328 feet remote range

Multiple mounting options

Temperature Range: 14°F – 140°F

Humidity range: 0% – 99%

Specification:
  • BrandGovee
  • ModelH5052001
  • Weight2.68 ounces
Pros

Wide temperature range from 14°F to 140°F

Up to 20 days of on-board data storage

Up to 2 years of in-app data storage

Relatively compact and easy to carry

Cons

No Wi-Fi connectivity

Relatively hard to calibrate

CHECK PRICE ON AMAZON

7
ThermoPro TP53 Hygrometer Indoor Thermometer

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The ThermoPro TP53 is nothing but the upgraded version of the TP50 above. Why isn’t it our premium pick, then? Well, the truth is that the design differences and upgrades are so minimal that we couldn’t justify the slightly higher price of this version. That said, the TP53 still has an extremely attractive price tag, and it could be a better choice if you’re looking for more bells and whistles.

The main difference between the two is the light-up screen on the TP35. The backlit display is obviously easier to read in dim light, and you won’t have to turn the lights on if you want to check the temp or relative humidity in the middle of the night.

Apart from this, the two units are identical. You’ll get the same big display with all-time or daily min and max records, as well as the comfort level indicator – albeit not as a smiley face.

Accuracy is exceptional, and the device needs no calibration. Furthermore, you can expect it to work in the -58°F-158°F and 10%-99% temp and humidity range, respectively. You may also be interested in some of the best humidifiers from our list, so take a moment to check them out.

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Key Features:

All time/24 hours high/low records

Touch-sensitive frame

Backlit LCD screen

Comfort level indicator

10-second measurement frequency

Temperature range: -58°F – 158°F

Humidity range: 10% – 99%

Specification:
  • BrandThermoPro
  • ModelTP53
  • Weight3.52 ounces
Pros

Perfectly sized display with easy-to-read numbers

Multiple mounting options

No setup or calibration needed

Cons

The display has a rather short lifespan

CHECK PRICE ON AMAZON

8
AcuRite 01083 Indoor Thermometer and Hygrometer

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Designed to deliver professional-level accuracy, the AcuRite 01083 features high-precision sensors and is able to provide reliable measurements and fast data reporting. All packed in a compact device you can place on a tabletop, mount on a refrigerator, or even take with you on your adventures. Similar to the other devices on this list, this is an indoor thermometer and hygrometer developed to help you keep optimal levels of temperature and humidity in your home or enclosed environments.

Although it comes pre-calibrated, we like that you can also calibrate it manually if you want to. This feature guarantees higher precision, so you can rest assured the displayed readings are real. The temperature range might not be the widest out there, but it’s still optimal for an indoor device, measuring from -4°F to 158°F. Furthermore, the humidity gauge detects levels between 1% and 99%, making the unit ideal to keep in a greenhouse.

We also like the display that uses bold numbers and a colorful bar that shows whether the humidity levels are too low, normal, or too high. This basic monitor is perfect for those who can’t be bothered about remote sensors, alarms, or alerts. It’s as simple as it gets, but it’s reliable and functional. No doubt, a great choice. For more useful products for your household, check out our selection of the best commercial dehumidifiers.

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Key Features:

Pre-calibrated

Manual calibration possible

Multiple mounting options

1-year US-based customer support

Visible display and digits

Temperature range: -4°F – 158°F

Humidity range: 1% – 99%

Specification:
  • BrandAcuRite
  • Model01083
  • Weight3.84 ounces
Pros

Super-easy to read despite the small physical size

Well-designed mounting options

All-time/24-hour low and high records

Cons

Batteries are not included

The temperature display is significantly smaller than humidity

CHECK PRICE ON AMAZON

9
VIVOSUN Digital Indoor Thermometer

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VIVOSUN is another brand that came up with an optimal solution for monitoring the temperature and humidity in your home or enclosed spaces. The VIVOSUN thermometer is a simple device that can be placed on a desk or counter, hanged on a wall or mounted on a fridge, and it impresses with a digital touchscreen instead of conventional buttons. Not only it’s enough to touch the screen to turn on the backlight, but you can also switch from all-time to 24-hour lows and highs, as well as from Celsius to Fahrenheit.

As you can expect, the monitor provides reliable readings, and it even features the popular humidity comfort level indicator bar. We particularly like the large display that allows you to see the temperature and humidity from a distance, while the two AAA batteries needed to run the gadget are included in the pack.

Key Features:

Touchscreen

Backlit display

Comfort level indicator

Low and high readings

Temperature range: 14°F – 122°F

Humidity range: 10% – 99%

Specification:
  • BrandVIVOSUN
Pros

Accurate readings

Batteries included in the pack

Easy to operate

Cons

Batteries are quite tricky to change

CHECK PRICE ON AMAZON

10
AcuRite 00325 Indoor Thermometer and Hygrometer

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The last entry on our list is the AcuRite 00325. Design-wise, it’s not as fancy as its 01083 counterpart above, but it still packs a punch. This monitor delivers accurate readings, and it’s suitable to use in your home, office, as well as many other indoor environments.

Despite its pretty basic look, it still has a large-enough display that shows all relevant data. Large digits make it easy to spot the current temp and humidity at a glance, while 24-hour low and high records allow you to monitor both the air quality and the overall efficiency of your heating or air cooling system. A nice twist is the humidity comfort level indicator consisting of a house icon with low, ok, and high marks instead of a bar. There are no other fancy features apart from this. Don’t expect a backlit display nor colorful marks. Considering its accuracy and price, though, the AcuRite 00325 is still an excellent choice for the money. For the best quality of the air in your home, check out our guide to the best air purifiers and pick your favorite.

Key Features:

Fahrenheit or Celsius temperature display

Humidity gauge with comfort levels

Pre-calibrated

Multiple placement options

Temperature range not specified

Humidity range not specified

Specification:
  • BrandAcuRite
  • Model00325
  • Weight3.04 ounces
Pros

Truly accurate temperature readings

All essential info displayed on the large screen

Ideal for multi-purpose use

Cons

The humidity gauge is not always accurate

Looks cheap

CHECK PRICE ON AMAZON

Indoor Thermometer Buying Guide

Features To Look For In An Indoor Thermometer

There are dozens of thermometers out there, and finding the right one is not always easy. Here are a few features to look for in the best indoor thermometers.

Temperature accuracy – This should go without saying, but the most important thing to look for in an indoor thermometer is its accuracy. Most manufacturers sell their units pre-calibrated, and they should read the temp accurately straight out of the box. However, if you want to have more control, you should opt for an indoor thermometer you can calibrate manually.

Temperature range – While all indoor thermometers have a range wide enough to measure the temperature in a home or office, you should go for the widest possible range if you want to place the device in a greenhouse, wine cellar, or if you plan to use it to measure the temperature in your refrigerator, for instance.

Hygrometer function – Temperature is only one of the factors you should monitor in your home. Humidity is important too, especially if you suffer from allergies, asthma, or other respiratory or skin conditions. Luckily, most indoor thermometers nowadays feature humidity gauges.

Display – Make sure the display is large enough to allow you to see readings at a glance. If you want to check the temp in dim or no light conditions, pick a unit with a backlit display.

Connectivity – In the era of smart homes, connectivity features come as a bonus. The best indoor thermometers can connect with your smartphone either via Bluetooth or Wi-Fi, allowing you to check the temperature or receive low/high temp/humidity alerts even from a distance.

indoor thermometer to buy

Types Of Indoor Thermometers

Besides features, another thing to decide before buying is what type of indoor thermometer you need.

Analog thermometers – Are the simplest and oldest models. They consist of a glass tube filled with mercury or an alcohol mix that expands in volume as it gets warmer. A scale makes it easy to read the temperature, but these models are not the most accurate. However, they are cheap and have long lifespans.

Digital thermometers – These modern alternatives to the analog thermometers use various technologies to measure the temperature and conveniently display the results on LCD screens. Nowadays, digital thermometers are the standard in most homes, and some even connect with your smart devices to allow you to record and access current and historical data.

Indoor/outdoor thermometers – A hybrid between an indoor and an outdoor unit, the indoor outdoor thermometer is a great choice for those who want to keep an eye on both the indoor and outdoor temps. They’re usually more expensive than the digital indoor units, but give you access to more data, including temperature, relative humidity, barometric pressure, and sometimes even weather forecasts.

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