10 Best Hygrometers 2025 in the United States

The Govee WiFi Temperature Sensor H5179 is a versatile and convenient hygrometer that offers a lot of useful features. With its high accuracy of ±0.54℉/±0.3℃ for temperature and ±3%RH for humidity, it provides reliable readings. The device updates every 2 seconds, ensuring you get real-time data.

The digital display is clear, but much of the functionality, including alerts for preset ranges, is accessed via the Govee Home app. This app offers the added benefit of remote monitoring and data export for up to 2 years, making it a great choice for spaces like greenhouses, wine cellars, or basements where consistent monitoring is crucial. However, note that it does not support 5G WiFi and Bluetooth is required for settings adjustments.

The inclusion of AA batteries and lanyard loops makes placement flexible and setup straightforward. This product offers robust monitoring capabilities with the convenience of WiFi and app integration, making it ideal for users looking for ease of use and comprehensive data tracking.

The ThermoPro TP50 is a reliable and user-friendly digital hygrometer and thermometer set designed mainly for indoor use. It provides humidity readings within an accuracy of ±2 to 3%RH and temperature accuracy of ±1°F, which is good enough for most home environments like greenhouses, humidors, or reptile habitats. The device updates readings every 10 seconds, so you get recent data without much delay. Its range covers humidity from 10% to 99% and temperatures up to 158°F, which fits typical household needs well.

The display is clear and easy to read, featuring an air comfort indicator that quickly shows whether the air is dry, comfortable, or wet, making it simple to check your home environment at a glance. It also records high and low temperature and humidity levels, useful for tracking changes over time. The design is practical with a tabletop stand and magnetic back, so you can place it on counters or attach it to a fridge.

One drawback is that while it is accurate, it doesn’t mention user calibration options, which might be important if you need highly precise measurements or want to recalibrate after long use. However, for most users, the factory calibration should be sufficient. The product runs on AAA batteries (included) and is compact and lightweight. This makes the ThermoPro TP50 a great choice for those seeking an affordable, easy-to-use indoor hygrometer and thermometer combo that offers solid accuracy, quick updates, and helpful comfort indicators. It is especially beneficial for people wanting to maintain healthy home humidity levels or monitor specific environments without getting into complicated settings.

The ThermoPro TP350 is a smart indoor hygrometer and thermometer that offers convenient Bluetooth monitoring up to 260 feet away, making it a solid choice for those who want to keep an eye on humidity and temperature from another room. It boasts good accuracy with a margin of ±0.9°F and ±2% relative humidity, which is reliable enough for most home and greenhouse needs. The sensor updates every 10 seconds, providing fairly quick response time to environmental changes. Its backlit, large display with a comfort indicator icon makes it easy to read in various lighting conditions without needing to open the app.

One of its standout features is the 2-year data storage and export option, which lets you track and analyze trends over time — a handy tool if you want to adjust your home's humidity levels proactively. The temperature range is somewhat limited, starting at 55°F and topping out at 140°F, so it’s best suited for typical indoor environments rather than extreme conditions. The device is compact and lightweight, running on included AAA batteries, making setup simple.

This hygrometer is ideal for homeowners or plant enthusiasts who appreciate remote monitoring and historical data insights. If you need a wider temperature range or advanced calibration, you might want to consider other models.