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10 Best Humidity Monitors 2025 in the United States
#1
Winner
ThermoPro Hygrometer Thermometer for House TP350, Bluetooth Room Indoor Greenhouse Thermometer Monitor Up to 260FT, Backlit Humidity Meter Temperature Sensor with 2-Year Data Export
The ThermoPro Hygrometer Thermometer TP350 is a robust humidity monitor that excels in several key areas. One of its notable strengths is its high accuracy, with a temperature precision of ±0.9°F and humidity accuracy of ±2% RH, making it reliable for monitoring environmental conditions. The 260FT Bluetooth range allows you to check readings from a considerable distance without obstacles, which is convenient for large spaces or greenhouses.
Rating
9.9
Chosen by1,375
Display
Additional Features
Most important from
146211 reviews
#2
ThermoPro TP49 Digital Hygrometer Indoor Thermometer Humidity Meter Room Thermometer with Temperature and Humidity Monitor Mini Hygrometer Thermometer
The ThermoPro TP49 Digital Hygrometer excels in providing accurate and reliable measurements for both temperature and humidity, making it suitable for various settings like greenhouses, baby rooms, and living areas. With a high accuracy of +/-1°F for temperature and +/-2% to 3%RH for humidity, it ensures precise monitoring. The device's fast refresh rate, updating every 10 seconds, allows it to provide current readings consistently.
Rating
9.8
Accuracy
Range
Display
Most important from
68922 reviews
#3
Govee Indoor Hygrometer Thermometer 3 Pack, Bluetooth Humidity Temperature Gauge with Large LCD Display, Notification Alert with Max Min Records, 2 Years Data Storage Export, Grey
The Govee Indoor Hygrometer Thermometer 3 Pack is designed to help you keep track of indoor humidity and temperature with high accuracy. The Swiss-made sensor ensures temperature accuracy up to ±0.54°F and humidity up to ±3%RH, making it reliable for various settings like homes, garages, nurseries, wine cellars, or basements. The large 3-inch LCD display is easy to read and provides max/min records along with comfort indicators (dry/comfort/wet). This feature is particularly helpful for immediate insights into the indoor environment.
Rating
9.8
Accuracy
Display
Additional Features
Most important from
45074 reviews
Top 10 Best Humidity Monitors 2025 in the United States
#1
Winner
9.9 score
ThermoPro Hygrometer Thermometer for House TP350, Bluetooth Room Indoor Greenhouse Thermometer Monitor Up to 260FT, Backlit Humidity Meter Temperature Sensor with 2-Year Data Export
ThermoPro Hygrometer Thermometer for House TP350, Bluetooth Room Indoor Greenhouse Thermometer Monitor Up to 260FT, Backlit Humidity Meter Temperature Sensor with 2-Year Data Export
Accuracy: ±0.9°F, ±2% RH
Range: 260FT Bluetooth
Display: Backlit display
Additional Features: 2-year data storage, comfort indicator
Power Source: 2 AAA batteries
Size and Portability: 1.1"W x 3.11"H, 3.52 oz
Chosen by 1375 this week
ThermoPro TP49 Digital Hygrometer Indoor Thermometer Humidity Meter Room Thermometer with Temperature and Humidity Monitor Mini Hygrometer Thermometer
ThermoPro TP49 Digital Hygrometer Indoor Thermometer Humidity Meter Room Thermometer with Temperature and Humidity Monitor Mini Hygrometer Thermometer
Accuracy: ±1°F, ±2% to 3%RH
Range: 158°F
Display: Compact, large digits
Additional Features: Face icons, fast refresh, flexible placement
Power Source: 1 AAA battery (included)
Size and Portability: 1.23 oz, 0.7"W x 2.6"H
Govee Indoor Hygrometer Thermometer 3 Pack, Bluetooth Humidity Temperature Gauge with Large LCD Display, Notification Alert with Max Min Records, 2 Years Data Storage Export, Grey
Govee Indoor Hygrometer Thermometer 3 Pack, Bluetooth Humidity Temperature Gauge with Large LCD Display, Notification Alert with Max Min Records, 2 Years Data Storage Export, Grey
Accuracy: Temperature: ±0.54°F, Humidity: ±3%RH
Range: 196ft/60m
Display: 3-inch LCD
Additional Features: Bluetooth, Govee app, 20 days storage
Power Source: 6 AAA batteries
Size and Portability: Compact, 3.81 x 2.91 x 2.91 inches
ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Monitor
ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Monitor
Accuracy: +/- 2 to 3% humidity, +/- 1°F
Range: 10% ~ 99% humidity, -58°F to 158°F
Display: Easy-to-read display, air comfort indicator
Additional Features: Records high/low levels, updates every 10s
Power Source: 1 AAA battery (included)
Size and Portability: Compact, 0.84"W x 2.62"H, 2.11 oz
Govee WiFi Thermometer Hygrometer H5179, Smart Humidity Temperature Sensor with App Notification Alert, 2 Years Data Storage Export, Remote Monitor for Room Greenhouse （Only Support 2.4G Wi-Fi）
Govee WiFi Thermometer Hygrometer H5179, Smart Humidity Temperature Sensor with App Notification Alert, 2 Years Data Storage Export, Remote Monitor for Room Greenhouse （Only Support 2.4G Wi-Fi）
Accuracy: ±0.54℉/±0.3℃, ±3%RH
Display: Digital
Additional Features: App, Timer, WiFi, Data Export, Alerts
Power Source: 3 AA batteries (included)
Size and Portability: 2.83 x 2.83 x 0.94 inches
Related Products
#10
8.0 score
SensorPush HT.w Smart Temperature Sensor & Humidity Sensor - Bluetooth Thermometer and Hygrometer with App Monitoring - Water Resistant Temperature and Humidity Monitor for RV, Humidor, Fridge & More
SensorPush HT.w Smart Temperature Sensor & Humidity Sensor - Bluetooth Thermometer and Hygrometer with App Monitoring - Water Resistant Temperature and Humidity Monitor for RV, Humidor, Fridge & More
Accuracy: highly accurate readings
Range: up to 100 meters
Display: on phone via app
Additional Features: records temp, humidity, dew point, VPD
Power Source: 1 Lithium Metal battery included
Size and Portability: 1.57x1.57x0.65 in; 0.81 oz
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Buying Guide for the Best Humidity Monitors
Choosing the right humidity monitor is essential for maintaining a comfortable and healthy indoor environment. Humidity monitors help you keep track of the moisture levels in your home, which can affect everything from your health to the condition of your furniture and electronics. When selecting a humidity monitor, it's important to consider several key specifications to ensure you get a device that meets your needs and provides accurate, reliable readings.AccuracyAccuracy refers to how close the humidity monitor's readings are to the actual humidity levels. This is important because inaccurate readings can lead to improper adjustments in your environment, potentially causing discomfort or damage. Accuracy is usually expressed as a percentage, with lower percentages indicating higher accuracy. For general home use, an accuracy within ±5% is typically sufficient. If you need more precise control, such as for a greenhouse or a wine cellar, look for monitors with an accuracy within ±2%.
RangeThe range of a humidity monitor indicates the span of humidity levels it can measure, usually expressed as a percentage (e.g., 0% to 100% relative humidity). This is important because it determines whether the monitor can handle the conditions in your specific environment. For most home environments, a range of 20% to 90% is adequate. However, if you need to monitor extreme conditions, such as in a sauna or a very dry area, look for a monitor with a broader range.
DisplayThe display of a humidity monitor shows the current humidity levels and sometimes additional information like temperature or time. A clear, easy-to-read display is important for quickly understanding the conditions in your environment. Displays can range from simple digital readouts to more complex screens with backlighting and multiple data points. Choose a display that you find easy to read and understand, especially if you plan to check it frequently.
Additional FeaturesAdditional features can enhance the functionality of a humidity monitor. Common features include temperature measurement, data logging, and alerts for high or low humidity levels. These features can be useful for maintaining optimal conditions in your home or specific areas like basements or attics. Consider what additional features might be beneficial for your needs. For example, if you want to track changes over time, a monitor with data logging capabilities would be useful.
Power SourceThe power source of a humidity monitor can affect its convenience and placement options. Monitors can be battery-operated, plug-in, or even solar-powered. Battery-operated monitors offer flexibility in placement but require regular battery changes. Plug-in monitors provide continuous power but need to be near an outlet. Solar-powered monitors are eco-friendly but may not be suitable for all indoor environments. Choose a power source that fits your lifestyle and the location where you plan to use the monitor.
Size and PortabilityThe size and portability of a humidity monitor can influence where and how you use it. Smaller, portable monitors are easy to move around and can be used in multiple locations, while larger monitors may offer more features but are less convenient to relocate. Consider where you plan to use the monitor and whether you need to move it frequently. For example, a small, portable monitor is ideal for traveling or monitoring different rooms, while a larger, stationary monitor might be better for a single, permanent location.