The 9 Best Small Humidity Sensors (2023 reviews)

The sensorpush small humidity sensor is capable of outshining several other sensor featured in this list in overall features. The SensorPush Thermometer/Hygrometer sensors use standard Bluetooth technology to communicate directly with your existing smart phone or tablet and the free SensorPush app. It comes with the sensorpush gateway and cloud, get updates anywhere and push notifications when conditions exceed min/max alarm settings, or ask alexa for updates. It has no flashing LEDs and it is so small and lightweight that you can put it anywhere. It is easy to monitor environment conditions in an enclosed space. The Sensor membrane and o-ring seals provide a durable, splash and rain proof design.

The range on these is fantastic, the app is full of features and easy to read and use all fully customizable. It is also allows for monitoring and alerting. The wireless feature and small/light-weight of this measurement device makes it easy to use anywhere.

Why We Like This:

Easy to pair with the app, which allows for monitoring and alerting
Fantastic, accurate, compact and easy to setup hygrometer
Extremely accurate and simple to add to the sensor network
Perfect addition to a wine cellar

Best For basement: ORIA Small Humidity Sensor

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Oria makes beautiful and great sensor with classic and smartly choosen materials. It is great for multi level house. The unit and the remote sensors all take AAA batteries. It has a great visual display and is very accurate when tested with other thermometers. It's going through batteries at the rate of a set every couple weeks.

It is easy to read with minimal space requirement with accurate reading in multi locations. It takes a while for the read out to adjust when the temperature adjusts. These are great for keeping an eye on your refrigerator's and freezer's performance.

Why We Like This:

Includes 'trend' indicators for temperature and humidity
Very useful to keep track of temperatures in 3 different areas of the house
Works very well and pretty accurate when compared to other thermostat inside and out
Inexpensive, very accurate, readouts are very bold, and clear in normal room light conditions

Best For A Greenhouse: Sensorpush First Sensor

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate sensor. The sensorpush first sensor is exactly that - it's a simple sensor that hits all the right notes. This is a neat little device and would work great at closer distances, like a freezer in the garage or other places much closer to your phone. It allows for the system to “push” an alarm when either temp, humidity or both are out of the specified range. It reduces battery performance to add to that works with multiple sensors.

The phone app is intuitive and gives comprehensive temperature-time series information. It is exposed to occasional spray and regular high humidity with no problems. It allows for a tie-wrap to attach to the sensor and hang from fridge/freezer shelves. It will work with all bluetooth devices including ipads and android devices etc.

Why We Like This:

The bigger range, the slower transmission speed
You can pair 2 sensors to 1 app almost instantly
Multiple gateways on a single account is no problem

Best For pet: VAUNO Small Humidity Sensor

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We would, of course, be remiss if we didn't mention vauno small humidity sensor for regular usage. The Hygrometer thermometer comes with 1 main unit ( built sensor and 1 remote sensor, so it can display temperature and humidity in 2 different areas. It provides accurate and real-time temperature and humidity readings from up to 200ft/60m away. The monitor split screen display shows indoor ( bottom ) and outdoor ( top ) temperatures ( celsius or fahrenheit ) and humidity with trending arrows. The signal for this thermometer, reaches through several walls, and two floors, plus it is at least 50 feet away from the base station. It is easy to read and the built-in stand works well.

It's great to be able to easily view the temperature inside the room when walking by, and not need to step inside all the time just to check the temps. The wireless temperature and humidity sensor lets you keep tabs on a second indoor or outdoor location.

Why We Like This:

Easy to read in low light
Display can be backlit with a touch of the screen
Lot of satisfied buyers

Best With More Zigbee hubs: Sonoff Small Humidity Sensor

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The sonoff small humidity sensor's high-end materials makes sure that it ages well with use. It is a pretty standard pir motion sensor that connects via zigbee and has a fast response time. It can trigger smart plugs if your alexa/ha can control the plugs. It is a zigbee temperature and humidity sensor that can seamlessly work with the sonoff zigbee bridge to track the temperature and humidity change in your home, which all real-time readings can be checked on the ewelink app. It works quite well within the Hue setup and works great with triggers and automations.

It is easy to install and this is a nice compact size. It should pair with any hub that supports the Zigbee standard. It is a great way to keep track of the temperature and humidity in your home. The exhaust fans are on smart switches, and now thanks to these sensors, the fans can come on automatically if the humidity rises. It is very easy to install and set up, and get push notifications sent to your phone when a door or window opens.

Why We Like This:

A very economical motion detector to trigger lights when entering a room, etc
Works great and has much better battery life compared to previous generic pir sensors
Delivers what they promise

Best With Bluetooth: Yolink Small Humidity Sensor

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The yolink small humidity sensor is capable of outshining several other sensor featured in this list in overall features in its price range. If you need a remote temp sensor, this is the one you want. It can offer super long range and work inside of fridges and mailboxes, etcetera. It's about 500' away and this little sensor is rock solid. It works well with the hub and ifttt integration. The range, battery life, ease of use, product quality, and app simplicity are all benchmark quality for IOT devices.

IFTTT supports the YoLink temperature sensor as a trigger and YoLink plugs as an action. The one in the freezer at 0-2 F will go to 50% in less than a week and last a bit over a year. It provides the devices with an internet connection.

Why We Like This:

Easy to ask alexa for the temperature
Works great and is super accurate
Great heat sensor with the ability to interact with other devices

Best For refrigerator: INKBIRD Small Humidity Sensor

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The inkbird small humidity sensor's high-end materials makes sure that it ages well with use. The wifi thermometer and hygrometer monitor sensor is an obvious addition to anyone who wants to monitor humidity and temperature in either a single room, or multiple rooms. It provides real time info and displays it in easy to read charts. It can also adjust how frequently it checks and responds anywhere from every 10min, 30min, 1h, 2h, 3h or 4 hours. It can be placed almost anywhere.

It comes with the lanyard hole design, it's easier than ever to place the wifi thermometer hygrometer in your favorite place. It can set notifications to alert you if the temp or humidity is out of the range which you can set and change yourself. It can also send reminders when it is low. The sensor is small and attractive, usually blending in to the surrounding decor.

Why We Like This:

Good brand reputation
Good investment for long term

Best With Screen: Govee Small Humidity Sensor

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Not everyone likes to purchase sensor for their regular usage, but the govee small humidity sensor would be an anomoly. The Govee New WiFi Digital Hygrometer takes the amusement to a whole new level with its WiFi connectivity. It's so simple and convenient, it's almost amusing how easily you can transform your home into a smart and connected environment with these mini hygrometers. The Swiss-made sensors provide a wide range for detecting the humidity and temperature. It is easy to keep adding new sensors and changing their names is simple.

These hygrometers are packed with powerful features. It is great for monitoring temps and humidty on multiple reptile enclosures. It comes with the Govee home app, you can connect your hygrometers to your smartphone and monitor the humidity levels remotely. The app contains full trend data for temperature and humidity changes over time.

Why We Like This:

Temp, humidity, dew point, and vpd monitoring over both wifi and bluetooth
Simple to set up, data is exported through email
One of the new comers and featured product

Best For atmosphere: PHOVOLT Small Humidity Sensor

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The phovolt small humidity sensor's material feels more premium than its price would suggest. It is great for remote monitoring. The temperature and humidity sensor can be viewed remotely, you can monitor your baby's room, wine cellar, garage with this item. It gives you nice accurate temps and humidity. You can turn on the low-battery reminder, provide it anytime, anywhere, and know the changes in your wine cellar, greenhouse, etc.

This really gives you easy to use data all from your phone. They do not show you the temperature on the screen. It is easy to set up wifi, auto scan device and add after turn on bluetooth via tuya app.

Why We Like This: