9 Best Greenhouse Thermometers and Hygrometers

Are you someone who wants the plants in your greenhouse to grow as healthily and beautifully as possible? If that sounds like you, then you have clicked on the right article. Purchasing a thermometer and hygrometer for your greenhouse is a highly crucial addition to it since it makes sure that the temperature and humidity levels are suitable for the growth of your plants. So without further ado, let us discuss all the best possible thermo-hygrometers at your disposal and where you can find them.

Best 9 Greenhouse Thermometers and Hygrometers

Purchasing a thermometer and hygrometer for your greenhouse will give you peace of mind knowing that your plants are under the best conditions. Just because the temperature might seem to us hot or cool enough, there’s no way to ascertain that for the plants without having a thermometer/hygrometer. But how do you pick the right one? Well, that’s what we’re here for. We have compiled a list of the 9 best greenhouse thermometers and hygrometers so you can make the best decision possible.

ThermoPro TP65A Indoor Outdoor Thermometer Digital Wireless Hygrometer Temperature 

The ThermoPro TP65A Indoor Outdoor Thermometer Digital Wireless Hygrometer Temperature is an accurate and reliable thermometer/hygrometer with many impressive features. It features a remote control range of 200 feet that has strong signals to make it easier for you to use. It can be mounted anywhere you want, whether that means in your greenhouse or any other place you want to use this helpful device.

Key features

The main features of the ThermoPro TP65A Indoor Outdoor Thermometer Digital Wireless Hygrometer Temperature are:

• Colors: white and gray
• Power source: battery powered
• Number of batteries: 4 AAA batteries
• Dimensions: 4.3 x 3.3 x 1 inches
• Backlit touchscreen—easier to use especially in dim light
• Simultaneously measures the indoor temperature and humidity levels
• 200 ft remote control range with strong signals
• Magnetic back so you can attach it to any metal surface, a hanging hole for a hook, and a tabletop to place it on top of any flat surface

Pros 

• This thermometer measures both the temperature of your greenhouse and the humidity levels; it shows the results on the screen at all times so you can easily tell if it’s the right temperature and humidity level.
• Its placement versatility makes it highly convenient, given that it has a magnetic back, a tabletop, and a hanging hook so you have flexibility on where to place it.
• The touchscreen technology is quite useful in dim light and easy to use during the day or night.

Cons

• Reviewers claim that in extremely cold conditions, you need to use lithium batteries in order for the thermometer to work properly.

AcuRite 01083 Pro Accuracy Monitor for Greenhouse

The AcuRite 01083 Pro Accuracy Monitor for Greenhouse is a multi-purpose thermometer/hygrometer that you can use in so many more places than just your greenhouse. This device can be mounted in rooms such as the nursery, kitchen, living room, office, or any other place where you need the temperature and humidity levels monitored at all times. It has an easy-to-read display, and it collects only reliable data. 

Key features

The main features of the AcuRite 01083 Pro Accuracy Monitor for Greenhouse are:

• Number of batteries: 2 AAA batteries
• Dimensions: 0.88 x 2.5 x 3 inches
• Enhanced humidity and temperature accuracy 
• For proper humidity control, it detects changes every 10 seconds and alerts you through the screen
• You can calibrate the sensors of the device for each specific room 
• Easy-to-read and simple-to-use display
• It can be wall-mountable, tabletop, and magnet-mountable

Pros 

• It gives accurate data at all times because it senses changes in humidity levels every 10 seconds. 
• The multiple mounting options make this device more convenient to use since you can attach it, hang it on a wall, or place it on a flat surface in any room you’d like.
• This hygrometer is versatile so you can use it anywhere you want to measure humidity levels. 

Cons

• The largest display on the device is humidity and the temperature is the smaller one, some reviewers have reported that they would have liked it to be the other way around.

ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room 

The ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room is all you need to keep the temperature and humidity of your plants in check 24/7. This device has features that detect fluctuations in the air temperature or humidity. It can also detect the air comfort of the greenhouse and will notify you of any changes. You can easily mount this and use it either as a tabletop, hang it on a wall, or attach it as a magnet. 

Key features

The main features of the ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room are:

• Color: white
• Source of power: battery powered
• Number of batteries: 1 AAA battery included 
• Dimensions: 3.11 x 0.84 x 2.62 inches
• The humidity meter on the device detects air comfort whether it’s wet or dry; it will alert you of any changes in the air. 
• The inside thermometer is accurate in detecting fluctuations in the air temperature or humidity.
• It can also be used as a freezer thermometer, refrigerator thermometer, reptile thermometer, soil thermometer…
• It can also be used as a humidor and cigar hygrometer.
• Double mounting options: you can either place it as a tabletop or use the magnetic back to attach it wherever you like.

Pros 

• The data measurements of the humidity levels and temperature are updated every 10 seconds to give you the most accurate results on the environment.
• This thermometer/hygrometer will provide you with a healthier environment that benefits allergens and skin.
• It is easy to use and easy to set up, either place it on a flat surface or attach it to a metal object.

Cons

• Some reviewers have reported that the hygrometer is off by 20% below.

SensorPush HT1 Wireless Thermometer/Hygrometer for iPhone/Android 

The SensorPush HT1 Wireless Thermometer/Hygrometer for iPhone/Android is the small compact thermo-hygrometer you have been looking for in your greenhouse. This small but effective device has a long battery life of up to 2 years and has a Bluetooth line of sight range of 325 feet. The places in which you can use this thermometer/hygrometer are countless thanks to its compact and attractive design.

Key features

The main features of the SensorPush HT1 Wireless Thermometer/Hygrometer for iPhone/Android are:

• Power source: battery powered
• Number of batteries: 1 CR2 battery
• Dimensions: 1.57 x 1.57 x 0.65 inches
• For alerts and data via the internet, you can connect through the Bluetooth on your phone
• Powerful line-of-sight Bluetooth with a range of 325 feet
• Long battery life, typically 2 years

Pros 

• It is small and mountable anywhere you like, and it features a Bluetooth connection on your phone for data and alerts.
• You can use it anywhere you want to measure the temperature and humidity of a room. 
• It is constructed with professional-grade components that give accurate results so you can be sure that the data you receive is calculated correctly. 

Cons

• A reviewer pointed out that the online alerts are only visual, not audible; that could be a setback if it’s an emergency.

Ambient Weather WS-8482-X3 Wireless 7-Channel Internet Remote Monitoring Weather Station

The Ambient Weather WS-8482-X3 Wireless 7-Channel Internet Remote Monitoring Weather Station updates your temperature and humidity data every 60 seconds to give you the most accurate results. It has 7 sensors that can all connect for remote monitoring and measure humidity, temperature, heat index, and dew point. The console supports imperial and metric units of measurement. 

Key features

The main features of the Ambient Weather WS-8482-X3 Wireless 7-Channel Internet Remote Monitoring Weather Station are:

• Color: white
• Material: plastic
• Brand: Ambient Weather
• Dimensions: 9 x 5 x 3 inches
• Weight: 1.4 pounds
• The data updates every 60 seconds for the most accurate results
• It has a 300 feet line out-of-sight range 
• It monitors temperature, humidity, dew point, and heat index
• 7 sensors can connect for remote monitoring 
• The console measures locally and supports both metric and imperial units of measurement 

Pros 

• This thermometer connects to Wi-Fi, has a 300 feet out-of-sight range, and allows you to monitor the temperature and humidity through your phone.
• This device measures not only the humidity levels and temperature of the greenhouse but also the heat index and dew point.   
• It is lightweight and portable so you can place it anywhere you’d like in any room not just in your greenhouse.

Cons

• Some reviewers have pointed out that setting up the console and connecting to the website is difficult. 

Ambient Weather WS-10 Wireless Thermo-Hygrometer 

The Ambient Weather WS-10 Wireless Thermo-Hygrometer is a battery-powered, simple-to-use thermo-hygrometer. This device includes three remotes that can be read simultaneously, and it is affordable compared to other models. The console sends you visual and audible alarms if the thermo-hygrometer surpasses the settings you have set. 

Key features

The main features of the Ambient Weather WS-10 Wireless Thermo-Hygrometer are:

• Power source: battery powered
• Dimensions: 5 x 1 x 4.5 inches
• Type of display: LCD
• Simple to read and use
• Inexpensive compared to other thermo-hygrometers
• Three remotes of thermometer/hygrometer sensors which can all be read at the same time
• The display console can read remotely and update 8 remote hygrometer/thermometers sensors simultaneously

Pros 

• This thermometer/hygrometer sends you audible and visual alerts of any changes in the temperature or humidity that you have set as “below the minimum” or “exceeding the maximum” levels.
• The console display will show the minimum and maximum temperature and humidity levels which can be modified manually.
• Three remotes can be read at the same time. 

Cons

• Some reviewers have reported that it takes 10 AAA batteries to power the system so battery cost could be more than the cost of the device.

Ambient Weather WS-2000 Smart Weather Station with WiFi 

The Ambient Weather WS-2000 Smart Weather Station with WiFi will help you monitor the temperature and humidity changes in your greenhouse and home. It features wireless sensors that in addition measure wind speed, rainfall, UV, and solar radiation. The LCD display makes it easy to use and read the displayed information.

Key features

The main features of the Ambient Weather WS-2000 Smart Weather Station with WiFi are:

• Power source: solar powered
• Type of display: LCD
• Monitors the weather conditions of your backyard and greenhouse using the TFT color display
• Wireless sensor for measuring temperature, wind direction and speed, rainfall, humidity, solar radiation, and UV
• Supports metric and imperial units of measure
• The Wi-Fi connection allows your station to transfer the data wirelessly to the world’s biggest personal weather network
• The console power is provided by an included-with-the-package 5V DC adapter

Pros 

• In addition to temperature and humidity levels, it measures rainfall, solar radiation, wind speed and direction, and UV. 
• It supports both units of measure: metric and imperial.
• The wifi connection of the console allows you to transmit your data to the world’s largest weather network. 

Cons

• The  3 AAA batteries that the sensor array requires are not included in the package.
• A reviewer pointed out that the one thing they wish the device had was the ability to send alerts to multiple people via SMS and email.

Ambient Weather WS-2902C WiFi Smart Weather Station 

The Ambient Weather WS-2902C WiFi Smart Weather Station is a solar-powered thermo-hygrometer that measures the humidity levels and temperature of your greenhouse so you can grow your plants as healthily as possible. The device supports both units of measurement: imperial and metric. And another impressive feature is the Wi-Fi connection, which allows you to transfer your weather data to the world’s largest weather network.

Key features

The main features of the Ambient Weather WS-2902C WiFi Smart Weather Station are:

• Dimensions: 7.5 x 0.75 x 4.5 inches
• Power source: solar powered
• Type of display: LCD
• Allows you to monitor the temperature of your backyard, greenhouse, and home using an easy-to-read LCD color display
• Wireless sensor measures temperature, humidity, wind speed, wind direction, UV, rainfall, and solar radiation
• This unit supports both metric and imperial units of measure
• The enhanced Wi-Fi connection feature allows you to transfer your weather data to the world’s biggest weather station network

Pros 

• This thermometer/hygrometer measures more than the temperature and humidity levels of your greenhouse, it also measures wind direction and speed, UV, solar radiation, and rainfall.
• It supports both units of measure: metric and imperial.
• The LCD color display allows you to easily access the monitored data of your home.

Cons

• Requires 3 AAA batteries which are not included in the package.
• A reviewer reported that the viewing angle of the display is inconvenient.

ThermoPro TP63B Indoor Outdoor Thermometer Wireless Hygrometer 

The ThermoPro TP63B Indoor Outdoor Thermometer Wireless Hygrometer’s 10 seconds response time is one of the many impressive features that will make you want to purchase it right away. The collected data is highly accurate and can be set to Fahrenheit or Celsius. This device also features an LCD backlit display that constantly shows all the changes in the air temperature and humidity. 

Key features

The main features of the ThermoPro TP63B Indoor Outdoor Thermometer Wireless Hygrometer are:

• Color: orange
• Power source: battery powered
• Response time: 10 seconds
• Waterproof
• The remote range is 500 feet and this device can monitor to up to 4 locations
• Sensor comes with lithium batteries susceptible to cold weather conditions
• The readings of the temperature and humidity are accurate and can be set to either Celcius or Fahrenheit
• Backlit LCD display is easy to read and contains constant readings of the temperature and humidity levels
• Multiple mounting options are available with this device: tabletop, wall mount, magnetic mount

Pros 

• The touch-activated backlight of the display makes this thermometer easy to read even in low-light conditions.
• You can set it up anywhere you’d like, attach it with the back magnet, place it on a flat surface, or mount it on a wall.
• The sensor has lithium batteries which are used for extremely cold temperatures. 

Cons

• The 2 AAA batteries required are not included in the package.
• A reviewer reported that although the device is supposed to be waterproof you still need to keep it away from rainfall so you can’t use it for example outside a camping trailer.

What To Look For When Buying a Greenhouse Thermometer and Hygrometer

In order to make a smart purchase regarding any type of device, it is important to know some key factors that go into making an appliance suitable for your needs and preferences. Greenhouse thermometers and hygrometers are actually changing more every day to tend to the needs of different target audiences. We have compiled a list of four important factors to consider before buying a thermo-hygrometer for your greenhouse that will hopefully help you make an easier decision.

Purpose

The purpose for which you want to purchase a greenhouse thermometer and hygrometer is something you should consider before buying one. If you already have a thermometer, or you simply only want a device that measures the humidity levels, it is best to only purchase for example that which you need: a hygrometer. This could cost you less money than buying a thermo-hygrometer.

Information displayed

The display of the device is another factor that shouldn’t go overlooked when buying a greenhouse thermometer and hygrometer. Purchasing one that displays the important data in small characters or one you can only see the data if the room is well lit is not the most convenient. Buying for example thermometers that have an LCD color display, or ones that operate even in low light, is the best choice. 

Accuracy 

Of course, the accuracy of the data the thermometer/hygrometer shows is a crucial factor to consider before purchasing one. This is why it’s important to check the reviews of products and see if any customers have reported any inaccuracies with the device. Also, for best results, it’s preferable to purchase one that can display the temperature in both Celcius and Fahrenheit.

Smartphone application

And finally, the smart features of a device are also a very important detail to consider when you’re purchasing any kind of appliance. With the constant innovations of technology, you can easily find a suitable thermometer and hygrometer for you that also has a smartphone application. A smartphone application that is connected to the thermometer/hygrometer allows you to set the minimum and maximum temperature and humidity levels of the greenhouse, it sends you alerts and data if it surpasses the minimum and maximum you set, and overall makes it easier for you to control remotely. 

Conclusion

We hope that by the end of this article, you’ll have a better understanding of what makes a thermometer and hygrometer suitable for your needs and preferences. And if you got to the end of the list taking away at least one recommendation from us, then we’ve done our job! Remember to keep sharing your love with your plants so they can keep growing healthily.