10 bestSoil Thermometerof July 2025
112M consumers helped this year.
1
ECOWITT WN34 Soil Temperature Sensor, Waterproof Soil Tester Digital with LCD Display, 11.8 inch Temperature Probe Sensor for Garden, Farm, Lawn, Indoor and Outdoor Use
ECOWITT
10.0
19% off
2
Luster Leaf Fertility and Temperature Rapitest 1835 Digital 3 Way Analyzer for Soil pH
Luster Leaf
10.0
3
VeeGee Dial Compost Thermometer, with Glass Face, 12" Stem, 3" Dial, -40 to 160 Degrees F
VeeGee
9.7
4
Compost Thermometer - Cate's Garden Premium Stainless Steel Bimetal Thermometer for Backyard Composting - 2 Inch Diameter Fahrenheit Dial, 20 Inch Temperature Probe
Cate's Garden
9.4
5
Greenco Gardening Compost Soil Thermometer by Greenco Stainless Steel Celsius and Fahrenheit Temperature Dial 20 inch Stem
Greenco
9.1
Other
Compost Thermometer Stainless Steel Dial - Ideal Composting Soil Thermometer with 50MM Diameter C and F Dial and 295MM Compost Temperature Gauge Probe
Luster Leaf 1630 Rapitest Dial Soil Thermometer, Stainless Steel, Pack of 1
REOTEMP K83W Worm Therm Soil Thermometer with Worm Composting Digital Guide for Red Wiggler Compost Bins
AcuRite 00661 Stainless Steel Soil Thermometer
6
REOTEMP Backyard Compost Thermometer - with PDF Composting Guide (Fahrenheit) 20 Inch Stem
REOTEMP
8.8
7
Urban Worm Soil Thermometer - Keep Microbes and Worms Happy for Gardening and Worm Composting
Urban Worm
8.5
16% off
8
Compost Soil Worm Thermometer - Backyard Compost Thermometer,Soil Thermometer,Plant Thermometer Outdoor Garden with Waterproof Dial,20”Probe for composting bin,in/Outdoor Planting
KT THERMO
8.2
9
Copkim 2 Pieces Stainless Steel Soil Thermometer 7.5 Inch Stem 0-220 Degrees Fahrenheit Range Soil Temperature Thermometer for Ground, Compost, Garden Soil
Copkim
7.9
10
Smart Choice Stainless Steel Soil Thermometer Easy-to-Read Dial Display, 0-100 Degrees Celsius Range Soil Temperature for Ground, Compost, Garden Soil
7.6
A Guide to Selecting the Best Soil Thermometer
Choosing the right soil thermometer is important for anyone interested in gardening, farming, or even scientific experiments. A soil thermometer helps you measure the temperature of the soil, which is crucial for seed germination, plant growth, and understanding soil health. When picking a soil thermometer, you should focus on a few key features that will help you get accurate and reliable readings for your specific needs.
Temperature Range
The temperature range tells you the minimum and maximum temperatures the thermometer can measure. This is important because different plants and activities require you to monitor different temperature levels. For example, seeds often need soil temperatures between 10°C and 30°C to germinate, but composting might require higher ranges. Thermometers with a narrow range (like 0°C to 50°C) are good for general gardening, while wider ranges (like -20°C to 100°C) are better if you need to monitor extreme conditions. Think about what you’ll be measuring most often and choose a thermometer that covers those temperatures.
Probe Length
Probe length refers to how long the metal part of the thermometer is that you insert into the soil. This matters because different plants have roots at different depths, and you may want to measure temperature at the surface or deeper down. Short probes (around 4-6 inches) are fine for seed starting and shallow beds, while longer probes (8-12 inches or more) are better for deeper garden beds or compost piles. Consider the depth of soil you want to measure and pick a probe length that matches your needs.
Accuracy
Accuracy tells you how close the thermometer’s reading is to the actual soil temperature. This is important because even a small error can affect seed germination or plant health. Most soil thermometers are accurate within 1-2 degrees, which is usually enough for gardening. If you need very precise measurements, such as for scientific experiments, look for thermometers with higher accuracy. For most home gardeners, standard accuracy is sufficient.
Readability
Readability is about how easy it is to see and understand the temperature reading. Some thermometers have large, clear dials or digital displays, while others have small or hard-to-read markings. If you have trouble seeing small numbers or will be using the thermometer in bright sunlight, look for one with a large, high-contrast display. Easy-to-read thermometers make checking soil temperature quick and stress-free.
Durability and Material
Durability refers to how well the thermometer can withstand being used in soil, which can be moist, hard, or even rocky. Most soil thermometers are made from stainless steel or other rust-resistant materials. This is important because you want a thermometer that won’t break or corrode after repeated use. If you plan to use it often or in tough conditions, choose one made from sturdy, weather-resistant materials.
Type (Analog vs. Digital)
Soil thermometers come in analog (dial) and digital types. Analog thermometers are simple, don’t need batteries, and are usually very durable. Digital thermometers can be easier to read and may offer extra features like memory or faster readings, but they require batteries and can be more delicate. Think about whether you prefer simplicity and reliability (analog) or convenience and extra features (digital) when making your choice.
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy