The 9 Best soil Thermometers (2023 reviews)

The greenco soil thermometer is capable of outshining several other thermometer featured in this list in overall features. This is a requirement for thermophilic composting. It is designed to measure temps between 100°f and 180°f. The probe is thin-wall, so it displays temperature change rather quickly. Color coding on the dial face lets you quickly see if your compost is active or not by the temperature ranges in colors.

This thermometer is easy to read. It's accuracy is best between 80 and 160 degrees F, which is above the range that soil temperature measurements are made. It is easy to read, really easy to use. It makes checking the temperature even easier.

Why We Like This:

Minimize unpleasant odors from your compost pile
Nice long probe takes accurate readings
New and hot release

Best hot composting Thermometer: Thermometer world soil Thermometer

Buy on Amazon

This is a high quality thermometer. The dial shows the ideal composting temperatures. It is easy to read and is not to small but not to big. The thermometer appears to be accurately calibrated from the factory.

Why We Like This:

Very long, great at getting deep into your compost pile
Helps regulate temperature and works well
Great range of temperatures for small jobs, such as regulating worms bin temperature

Best For Home: Lostronaut soil Thermometer

Buy on Amazon

The lostronaut soil thermometer is the best reliable thermometer on the market today. This soil thermometer is working great. It has compost zones on the display. It's accurate and well made. It comes with sturdy protective stem sheath for safe storage and handling. It is excellent for keeping your hot compost at the right temperature. The protective sheath helps to protect the probe in storage. It is perfect for home or garden composting.

Why We Like This:

Good for monitoring your hot compost piles
Deep, fast and easy to read
Useful in checking the soil temperature before planting bulbs

Best For Working On automotive AC systems: Smartchoice soil Thermometer

Buy on Amazon

The smartchoice soil thermometer is capable of outshining several other thermometer featured in this list in overall features for the price point. This Smart Choice compost thermometer lets you know the temperature and health of your compost pile. Rugged stainless steel components, thick glass cover sealed to avoid fogging and moisture, and precision measurement dial result in a soil thermometer that is durable and designed to last. It includes a protective sheath w/ pocket clip for the 5” stainless steel stem.

This thermometer is great for working on automotive AC systems. It is sturdy and accurate. It comes with this thermometer, you will know the inner workings of your pile, and correct any problems and imbalances to speed up the soil-making process. It is great in the automotive industry for a/c reading. It is not only it saves you a lot of money, no more fragile and slow growing plants, it also saves your time.

Why We Like This:

Good size for greenhouse use for soil temps
Easy to read and very accurate
Small, portable and easy to read
Temperature readout was quick and consistent

Best For garage: Kt Rmo soil Thermometer

Buy on Amazon

The kt rmo soil thermometer should be able to handle its purpose and duties with ease. These temperatures are also the ideal temperatures for your worms. It is ideal for the growth and activity of earthworms. The thermometer has a 8 inches probe that you stick into your worm bin to measure the temperature of the food / bedding mixture. It has 2 temperature reading arches, one for °f and one for °c. It is easy to read with a large 2 inch dial.

The stainless steel material of the casing can wash the used thermometer under the faucet, and it is durable and does not rust. It is good to have for early planting, so you’ll know when seeds will germinate.

Why We Like This:

Colored block identification and clear scale display for immediate identification of compost temperature
Sensitive detection response, temperature changes can be displayed quickly
Waterproof anti-fog dial and temperature guide
Stainless steel material of the casing

Best For soil applications: Wirezar soil Thermometer

Buy on Amazon

Wirezar line of thermometer come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. This small tool is really helpful for you to measure and decide when to water your plants, where to plant your plants either indoor or outdoor by measuring soil temperature between 0 to 180 degrees fahrenheit. It is great for killing pathogens, and weed seeds. It is easy to insert into the compost pile, making composting. It comes with a plastic sheath to protect the metal post while not in use. It is great for getting deep into the compost pile. It’s high-quality and lightweight lens will meet all your needs for soil testing at home.

It is best for soil applications.

Why We Like This:

Comes with a nice cover for the thermometer and its durable so far
Perfect tool to decide when to water your plants
Designed and calibrated to use in soil only
Excellent tool for the serious gardener

Best For Home gardeners: uncle Jim'S worm farm soil Thermometer

Buy on Amazon

The uncle jim's worm farm soil thermometer is satisfactory and appropriate and fits well with your regular usage. Uncle Jim's Worm Farm brand is great for home gardeners. This product is sold as a worm composting thermometer and it is marked with temperature ranges that are too cold, just right, and too warm for worm composting. It looks pretty sturdy.

It is made of high quality stainless steel, uncle jim's soil thermometer is built to last while providing easy to read and accurate ground and soil temperature measurements. The thermometer tells you cool, happy, warm and hot. It is beyond simple to use because the ranges are marked with different colors. The thermometer has a glass lens over the face and the probe measures 8 and 1/2 inches. It is easy to see and its marked off for worms.

Why We Like This:

Works perfectly and great to have
Great tool for worm casting farming
A handy compost and soil thermometer

Best For Outside Temperature: Yogyro soil Thermometer

Buy on Amazon

Yogyro makes beautiful and great thermometer with classic and smartly choosen materials. A soil thermometer will tell you what temperature is best for keeping and what can and cannot be added to the compost pile. You can use this glass face agriculture temperature detector during gardening, farming, and lawn planting. It features an easy-to-read 1.9-inch wide dial with color-coded temperature ranges. The long pole allows you to measure all areas of the pile. It takes about 30 seconds to read the temperature from the tip. This would be a great stem item for showing children the miracle of composting heat generation.

It's nice to be able to read the compost pile, and the varying garden beds around the house that still have compost in them.

Why We Like This:

Designed and calibrated to use in soil only
Long enough to reach to any planting depth
Probe is sturdy, yet flexes a bit

Best For Temperature readings: Acurite soil Thermometer

Buy on Amazon

The acurite soil thermometer is suitable and reliable and fits well with your daily purpose. It measures temperatures from 0 to 220 degrees fahrenheit. It also works well for reading ambient temperature even when you don't have it sticked in anything. It will be deep brown, crumbly in your hand and not hot. It is ready for garden use.

The long probe can reach the perfect depth, and the top fits in the palm of your hand. It is good for taking the temperature of water samples for insulation experiments as well as soil samples and probably many other things you can dream up.

Why We Like This: