Best Sauna Thermometer

Best Overall

Bjerg Instruments’ Sauna Thermometer and Hygrometer

Best Splurge

MIFXIN Wooden Sauna Hygrothermograph Thermometer

Best Value

Fischer Sauna Thermometer and Hygrometer

Saunas provide a lot of health benefits. Sweating it out regularly in one, not only keeps our body healthy but our minds relaxed as well. Making sure that the rooms stay in the desired temperature is essential so that everyone stays comfortable and no accidents happen.

That’s why it’s always important to utilize only the best sauna thermometer so you get accurate readings, reliable quality, and just the right temperatures to keep everyone in tip-top shape.

We’ve compiled a few products that are top of the line and should be your trusted assistant when it comes to your sauna rooms. So sit back and relax and get to know more about sauna thermometers.


Best Sauna Thermometer Product Reviews

  1. Bjerg Instruments Sauna Thermometer and Hygrometer 2 in 1 Indoor Humidity Temperature Measurement Sauna Room

The first entry on our best sauna thermometer review is Bjerg Instruments’ Sauna Thermometer and Hygrometer. Now before we start with the reviews, we’d like to emphasize that you can’t go wrong with any of the products you pick from our list. These are some of the finest and most reliable sauna thermometers there are.

Anyway, let’s start with some of the best features of our first entry.

The Bjerg Instruments’ Sauna Thermometer and Hygrometer are indeed a 2 in 1 humidity temperature thermometer that’s specifically designed for sauna rooms. It’s made of pine wood which is made to blend in your sauna room and not disturb its aesthetics and at the same time has a clearly visible display.

This sauna thermometer is also quite easy to use and install and is going to be more than just some sauna accessory. We know how a thermometer tracks the temperature, right? So what does a hygrometer do?

Good question, a hygrometer simply is the functionality responsible for tracking the moisture within the room. So tracking humidity is its part in the game. After all, too much humidity is not advisable for everyone in the room. So it’s just as important to track as with the temperature.

It has a 3.5 inches dial that displays temperature clearly up to 248 degrees Fahrenheit. The humidity display, on the other hand, is at 0 to 100 percent. This thermometer is specifically designed for saunas and is made of a classic pinewood that’s very visually pleasing. 

This sauna thermometer is in turn, perfect for hotels, gyms, clubs, and even a home sauna should you have one. It’s a great tool to help you relax more without any worries of overheating or under heating the room so you stay comfortable.

This easy to see sauna thermometer weighs 9.2 ounces and has dimensions of 5.25 inches by 10 inches by 1.25 inches (Width, height, and thickness). Hang it up in your sauna today!


  • Nice design
  • Large enough dial and easily readable
  • 2 in 1 temp and humidity functionality
  • Wide temp and humidity range
  • Durable construction


  • Suffers from a bit of inaccuracy when temperature readings get at the highest range


  1. MIFXIN Wooden Sauna Hygrothermograph Thermometer Hygrometer 2 in 1 Indoor Humidity Temperature Measurement Sauna Room Equipment Sauna Accessories

The second entry on our best sauna thermometer review is the MIFXIN Wooden Sauna Hygrothermograph Thermometer. 

You need to know that this 2 in 1 thermometer and hygrometer is made from 100% Finnish pine wood and is handcrafted. The dials are also 100% visible with both the hygrometer and thermometer being clear and easy to read. The device itself is also quite easy to use and install.

Definitely, a hydrothermograph is one great way to track not just the sauna’s temperature but also humidity. It’s also quite efficient and s very affordable. We think it is safe to say that this is a must-have accessory for any sauna.

The thermometer side displays temperature both in Celsius and Fahrenheit. That’s within the range of 80 degrees F up to 280 degrees F, and 20 degrees C to 140 degrees C. You’re sure that you’ll get accurate readings with this wide a range.

On the other hand, the humidity is displayed within the range of 0 to 100 percent. This handcrafted piece of useful device has a simple and minimalistic design and will blend right in your sauna’s aesthetics. It is also guaranteed to give you quite a number of years of service.

While design to be a sauna thermometer this device may also be an indoor thermometer and hygrometer to serve any of your measurement needs.


  • Simple minimalistic design
  • Durable build
  • Easy to read, easy to install
  • Accurate readings
  • 2 in 1 functionality 


  • Has some calibrating issues


  1. Fischer Sauna Thermometer (°Fahrenheit) & Hygrometer 6.1 Inch, 196TH-03F – Made in Germany

Next on our list is the tough and durable Fischer Sauna Thermometer and Hygrometer. Now, we didn’t just say that it’s tough just because it’s made in Germany although that could be a determining factor.

This 2 in 1 device is almost in any best sauna thermometer review there is and for a bunch of good reasons. First of all, the reason why it’s tough is that it is made from handcrafted light apache timber wood and at the same time a stainless steel case to make sure it won’t succumb to any rust or corrosion over the years of utilization.

This sauna thermometer has a synthetic hair hygrometer to read your room’s moisture or humidity accurately. That’s paired up with a bi-metal thermometer too for utmost accuracy. What about its temperature range, right?

Well, the US version this thermometer has a range of 90 degrees F to 250 degrees F, and the humidity measurement is at 0 to 60 percent. Unlike our first two entries on the list that were designed with a rectangular shape, this model is circular.

The diameter of the frame is 155 millimeters, the face diameter is 130 millimeters, and has a depth of 30 millimeters plus it weighs 0.5 pounds. 

The Fischer brand has been at it since 1945 so you know that they only produce trusted products. You won’t last long in the industry if you don’t.


  • Durable construction  
  • Accurate readings
  • Easy to ready and setup
  • Beautiful design
  • Will last you for a long time


  • A bit pricey
  • Has a narrow range for humidity measurement


  1. ALEKO WJ03 Fahrenheit Square Thermometer for Sauna Handcrafted from Finnish Pine

The next entry on our best sauna thermometer review is the uniquely designed ALEKO WJ03 Fahrenheit Square Thermometer for Sauna. The first thing you’d probably notice on this handcrafted Finnish pinewood measurement device is its unique aesthetic.

But don’t get us wrong, it’s more than just a unique design it’s also a very reliable and accurate thermometer for your sauna. It’s got a square design on a light wood color and the dark-colored dial fits perfectly on it. This is also why this thermometer is super easy to ready no matter the condition will be inside your sauna.

It’s sleek, it’s beautiful, and it’s classy but also quite functional. This thermometer accurately displays a temp range of 40 degrees F to 280 degrees F. That’s one of the widest range of temperature reading on our list.

This sauna thermometer is also quite durable. It is dust resistant so it will keep itself clean at all times as sometimes dust becomes dirt and that would make the thermometer hard to read. 

Well, not this thermometer. This is a 5 x 5 thermometer and would fit right in your sauna.


  • Unique and sleek design
  • Durable
  • Water, heat, and dust resistant
  • Accurate readings
  • Easy to read and setup
  • Very affordable 


  • No humidity levels measurement


  1. ALEKO WJ10C Wall-Mounted Pine Wood Thermometer and Hygrometer for Sauna

The last entry on our best sauna thermometer review is another product from Aleko. This time it’s their ALEKO WJ10C Wall-Mounted Pine Wood Thermometer and Hygrometer for Sauna.

Obviously, the previous model we discuss was just a thermometer. This time we bring you the best 2 in 1 model of the brand. As always this is another one of their sleekly designed sauna thermometers only this time it’s got the capability to read the humidity in the room as well.

And we’ll let you in on a little secret, even though it’s got that added functionality, this device is still pretty much more affordable than any model from our list. Well, there’s a catch or a trade-off for that you may ask, right?

Well, not a lot to be honest. This is a pretty reliable thermometer still. It is handcrafted and made out of Finnish pine wood. And it displays the usual wide range for the temperature at 80 degrees F to 280 degrees F or 20 degrees Celsius to 140 degrees Celsius.

The humidity reading has a range of 0 to 100 percent. This thermometer has a rectangular design and has the dimensions of 10 inches by 5 inches by 1 inch. It will fit right in your sauna perfectly. 


  • Accurate readings
  • Wide temp and humidity range
  • Durable construction
  • Easy to set up and self-cleaning
  • Good looking design


  • This model is not as popular as the others on our list


Overall, while a bit expensive, we think that the Fischer Sauna Thermometer and Hygrometer is the best on our list. It’s got all the characteristics you’d want from a sauna thermometer. Accuracy, reliability, durability, and cool looking aesthetic.


Sauna Thermometer Buyer’s Guide

Here are some important things that you need to know when shopping around for the best sauna thermometer that fits your needs.

Water plus heat resistance

The water and heat resistance of a sauna thermometer determines its durability. A sauna thermometer that gets damaged easily by either of these elements won’t last long. Take note that moisture and the heat inside a sauna will easily damage cheap material.

Make sure the thermometer you employ is watertight and constructed with long-lasting material that’s specifically designed for saunas so you won’t encounter any trouble.

Temp range

Temperature range is important to get a precise reading inside a sauna room. So get a device with an extended range say maybe something that can read up to 250 degrees Fahrenheit.


High moisture will have side effects so make sure the sauna thermometer you choose can display humidity levels. This is required for steam saunas. Preferably, the sauna thermometer you get should have both Celsius and Fahrenheit measurements. 


Amidst the heat and moisture inside the room, you need to make sure that the sauna thermometer you get is readable in any conditions. What’s the point if it can’t be, right? 

When things get a bit cold or really hot you want to check the temperature from time to time and that means that the temperature should show accurate and readable measurements anytime.


Why use a sauna thermometer?

A sauna thermometer increases safety for everyone within the room. We all know how spending too much time on a sauna may be dangerous, right? That’s the same thing with inappropriate temperature, it may lead to a few harmful side effects.

You don’t want to exhibit burns but also at the same time you want to sweat out in just the right amount of warmth your body needs. Also, whether you have a home sauna or own a facility, your priority is to make everyone comfortable.

Sauna thermometers are one way to ensure the comfort of everyone who decides to spend some time in a sauna room. In turn, people should have a complete awareness of their surroundings ones in a sauna.

Plus they are relatively easy to use and install not mentioning that they are quite affordable. A pretty simple device that’s got a very important role in your sauna.


Frequently Asked Questions: 

Question: What is the appropriate temperature for a sauna?

Answer: The answer depends on the type of sauna you have. As we all know, there’s a dry sauna as well as a wet sauna that has rocks. Depending on the type of sauna then you should adjust your temperatures accordingly.

For traditional gas, wood, and electric sauna, you should keep your temperatures at a minimum of 30 degrees Celsius and a maximum of 50 degrees Celsius. For Finnish model saunas with heaters or steamer heaters then you may go for a minimum of 70 degrees Celsius and a maximum of 90 degrees Celsius. 

Lastly, for infrared modules that come with infrared heaters, you should go for a lower 26 degrees Celsius minimum and a maximum temperature of 50 degrees Celsius.

Again, adjust accordingly to the elements in your sauna and its type.


Question: What are the top health benefits of a sauna?

Answer: A top benefit of visiting a sauna maybe once or twice a week is for heart health. A study suggests that steam baths weekly cuts the risk of people dying from heart-related conditions. Perspiring of course is a great way to lose some weight that’s why a lot of people visit the sauna as it relaxes you and helps you shed some calories too.

Sauna visits also lessen anxiety which in turn brings about a lot of benefits like a good night’s sleep. Steam baths may also help your skin at is nourish it. 


Question: What are some best practices I should observe when in a sauna?

Answer: Make sure to limit your sessions, don’t be too long in a sauna room as that won’t be good for you anymore. Spend about 15 to 20 minutes and remember to leave once you already feel dizzy.

Make sure to drink water, you’ll naturally lose a lot when inside a sauna room so be sure to drink at least 2 glasses of water before and after a session. Avoid alcohol, remove any jewelry, cool down, and be sure to ask your doctor for any advice if you have any medical condition.


Question: Any installation tips for sauna thermometers?

Answer: to get accurate readings from your sauna thermometer you need to install it on the level of your head. Not too high on the ceiling and at the same time not too low on the floor. Remember, hot air rises and cold air floats down. So you need to place your sauna thermometer where it’s got the best chance of getting accurate temperatures.

Sauna thermometers are also pretty easy and straightforward to install. They are also quite easy to utilize and read. So there wouldn’t be much tinkering around once you’ve installed it and start using it.


Final Thoughts 

More than just the health benefits, sauna rooms offer peace and quiet. In this fast-paced world that we live in, we need to pause at certain times and take time to heal not only our body but our minds as well.

Making sure that everyone is safe inside these sauna rooms is a responsibility that we can’t take for granted. And surely, should you install one of the best sauna thermometers we’ve researched and tested for you then it won’t be so hard of a task.

So pick one and relax all of your worries away to prepare for a great day ahead.

Interested in buying a new sauna for at home? Check out our infrared sauna reviews and our 4 person and 6 person reviews too!

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