Sauna Thermometer13 min read

When you’re in a hot and humid environment such as the sauna, it’s important to be aware of the temperature in it. This way you avoid sitting in an environment that’s too hot and that will ultimately make you feel bad. When the temperature does start to rise too much, just lower it if it’s possible, depending on the type of sauna that you own, or get out to avoid any unpleasant incidents. In the following, we will rank the best sauna thermometers available on the market at the moment. By doing this, we’re helping you make a decision fast regarding what’s the best thermometer to purchase as this is a competitive market that hosts numerous models. Not only this but knowing for sure what the best products are guarantees that, the investment you make is actually of a good quality.

Top 5 Sauna Thermometer Compared

1. Fischer 195-01F 2. Fischer 196TH-03F 3. Dealhola TH63 4. The Sauna Place Aspen 5. Bjerg Instruments R442174
Fischer 195-01F Image Fischer 196TH-03F Image Dealhola TH63 Image The Sauna Place Aspen Image Bjerg Instruments R442174 Image

Temperature Range

90°F to 250°F 90°F to 250°F 0°C to 120°C 30°F to 250°F 20°F to 120°F

Humidity Range

0% to 60% 0% to 60% 0% to 100% N/A 0% to 100%

Frame Diameter (inch)

6.3 x 0.98 6 x 1 5 x 0.8 5.5 x 5.5 8 x 5


Stainless steel case Apachi timber wood Stainless steel case Aspen wood Stainless steel case


0.8 pounds 0.5 pounds 4.5 ounces 2 pounds 14.4 ounces


2-Years 2-Years Satisfaction Guarantee Satisfaction Guarantee Satisfaction Guarantee

Fischer 195-01F Image

Fischer 195-01F

This high-end sauna thermometer that comes from the renowned Fisher Instruments company is by far the most exceptional product on the market at the moment as it’s extremely accurate and it boasts a durable stainless steel construction that ensures it will give perfect temperature readings even after years of use. Also, the 2-year warranty that backs it up shows that the manufacturer trusts the product and its performance.

Smart and Practical

What makes it such a popular option for sauna owners is the fact that it even shows the humidity level in it, the humidity that it displays ranging from 0 percent to 60 percent. Some of its features are:

  • Temperature – It can display temperatures that range from 90 degrees Fahrenheit to 250 degrees Fahrenheit
  • Wall Mountable – It’s a wall mounted model, so its presence in the sauna surely won’t inconvenience you in any way
  • Versatile – You will enjoy the fact that it’s suitable for any type of sauna as it’s a thermo-hygrometer

Factors To Consider

  • This model has been hand-crafted which means that it’s made with thorough attention to details
  • It’s lightweight and portable as it only weighs 0.8 pounds
  • Due to the fact that it’s for US customers, the numbers are shown only in Fahrenheit

Durable and Resistant

Due to the fact that it has a solid design, you will be able to rely on it for as long as you wish. In addition to this, you will enjoy the fact that you will never have to deal with rust and inaccurate readings as high humidity cannot damage its functionality. Some of its particularities are:

  • Case – This has been made from reliable stainless steel so it doesn’t lose quality
  • Diameter – You will enjoy the fact that you will find it easy to read the information as it measures 6.3” in diameter
  • Thickness – It’s 0.98” thick so it has the ability to blend in with whatever sauna you have so it doesn’t bring unnecessary attention


The reason why this product is so popular is that you will be provided with an accurate read for numerous years. In addition to this, it’s very convenient to have as it can blend with whatever sauna you have. Due to the fact that it has an affordable price, you can purchase as many as you find fit without worrying that you will go broke. What’s worthy to mention is that all of the information will be provided in US measurement which means that you can use it straight out of the box.

Fischer 196TH-03F Image

Fischer 196TH-03F

Fischer Instruments makes another appearance in this top, being the company that produces the model that we consider to be the second best on the market. Probably the biggest highlight of this thermometer is the fact that it’s made with light apache timber wood that ensures the casing won’t suffer any damage as time passes due to intense use in a hot and humid environment. Additionally, this sauna accessory is backed up by the manufacturing company during the first two years since the moment you buy it.

Accurate and Reliable

Of course, like all other instruments produced by Fischer, it boasts an incomparable accuracy that makes it a dependable thermometer. The synthetic hair hygrometer and the bimetal thermometer will read the temperature and humidity. Some of its features are:

  • Temperature Range – The temperature read-out that it provides ranges from 90 degrees Fahrenheit to 250 degrees Fahrenheit
  • Humidity Range – It can display the humidity level, this read-out ranging from 0 percent to 60 percent
  • Fast – You will be able to have a read of the environment almost instantly and gradually as the temperature or humidity changes

Factors To Remember

  • You will be covered by 2-Years warranty
  • It has been made after United States standards
  • The thermometer has been hand-crafted
  • One of the most accurate models

Smart Design

By considering this model you don’t have to worry about it cracking under the heat in the sauna. The reason for this is because it has been handcrafted which means that each detail has been paid attention to. As well as, the company has been built on excellent reputation. Some of its design particularities are:

  • Material – The model has been created from light Apachi Timber wood
  • Frame – The frame has a diameter of 6.1”, a face diameter of 5”, and its depth is of 1”
  • Weight – The thermometer weighs a mere 0.5 lbs


The reason why this product is one of our favorites is that it has been made to last. It has been made with every single small attention paid to which means that it will meet your high standards with ease. As well as, the material that it has been made of is resistant to pressure and heat which means that it won’t get damaged even if you use the sauna consistently. If you experience problems with it, customer service will always be available to deal with any concerns or questions you may have.

Dealhola TH63 Image

Dealhola TH63

Although the TH63 thermometer produced by Dealhola isn’t perfect as it has a +/- 2-degree Celsius temperature accuracy and a +/- 6% relative humidity accuracy, it’s as close to perfection as you need it to be and it delivers the durability that any sauna looks for when making such a purchase. This wall mountable sauna accessory measures 5 inches in diameter and 0.8 inches in thickness, so it’s big enough for you to clearly see the temperature and humidity displayed. Due to the fact that it’s lightweight, it surely won’t fall down. Despite the fact that it’s not 100% accurate, it does come with its own set of advantages that make up for this downside. More precisely, the thermometer has a displayed temperature range from 0 degrees Celsius to 120 degrees Celsius.

The Sauna Place Aspen Image

The Sauna Place Aspen

The Aspen thermometer produced by The Sauna Place is another great choice to go with for all sauna owners as it displays the temperature in this space both in Celsius and Fahrenheit degrees. Therefore, no matter what unit of temperature measurement you’re accustomed with, you will easily tell how hot it is in the sauna. The temperature that it can display ranges from 30 degrees Fahrenheit to 250 degrees Fahrenheit or 0 degrees Celsius to 120 degrees Celsius. Unfortunately, this sauna accessory has a major downfall when compared to its competitors as it doesn’t show you the humidity level in the sauna. But the fact that it comes at a cheaper, more accessible price makes up for this lack. Also, the aspen wood construction of the case ensures that it resists perfectly in the hot and humid conditions of this environment.

Bjerg Instruments R442174 Image

Bjerg Instruments R442174

Last we have the R442174 model produced by Bjerg Instruments, a thermometer that exceeds expectations as it comes at a very cheap price but doesn’t sacrifice on features and quality at all. First of all, we have to praise this sauna thermometer for the fact that it has a durable construction of the case, being made with high-quality brass-colored stainless steel. Thus, not only will it pass the test of time without a problem, but it makes for a stylish addition to the sauna as well. The 5.5-inch diameter of the dial face ensures that you will easily see the temperature and humidity levels shown by the thermometer. When it comes to its capabilities, it can display temperatures ranging from -20 degrees Fahrenheit to 120 degrees Fahrenheit or from -30 degrees Celsius to 50 degrees Celsius.

Aspen Round Thermometer Image

Aspen Round Thermometer

In case you’re looking for a practical and affordable model, this is one of the best choices. This model has been engineered to meet its purpose without the bluff. It’s round which means that it won’t take up a lot of storage space so you can place it wherever you wish. In addition to this, the numbers are large and clearly visible from far away. As well as, the material is strong and resistant and will not lose efficiency even in high temperatures or humidity. It goes up to 280-degrees Fahrenheit but most of the times, you will never have the temperature so high. It’s easy to set-up and to understand. After all, if you’re not happy with the quality of it, you will receive a full refund. The company offers 100% Satisfaction Guarantee.

Important Info that You Need to be Aware of

When you’re in the sauna, it’s important to feel relax and comfortable as this is your moment to unwind after a stressful, long day. But this sensation of comfort and relaxation can easily turn into a nightmarish experience if it gets too hot in the sauna while you’re dozing off and you wake up feeling numbed and bad. For those who have cardiovascular problems or other types of medical issues, it’s all the more important to keep an eye on the temperature in the sauna as it may cause severe problems.

This is where the sauna thermometer comes to the sauna goers help as it allows a constant monitoring of the entire experience, displaying the temperature so that the people inside are aware of the environmental conditions at all times. What’s even more important is the fact that high-end models even allow people to see the humidity levels inside the steam room, thus further preventing any unpleasant and unwanted situations from occurring.

The thermometers specially designed for saunas work on the same principles as normal thermometers, the only difference in the materials that they’re made from, more precisely the construction of sauna models is made to withstand high temperatures and high humidity levels. Therefore, don’t even think about using a normal thermometer inside that hot and small room as you may have the surprise that it will break under the pressure of the temperature and humidity conditions inside of it.

Advantages of Using the Thermometer

Although a sauna thermometer isn’t one of the biggest expenses out there, some people are still not inclined to invest in such a sauna accessory as they believe it’s useless. But this opinion is as wrong as it gets, the thermometer playing an important role in ensuring a safe and comfortable experience while using the sauna. To better understand the importance of having this accessory in your sauna, check out the following lines.

  • Increased Safety when Using the Sauna

    By far, the most important advantage provided by having a thermometer in the sauna is the fact that it allows you to keep track of the temperature inside it in order to stay out of harm’s way. This is valid for those who have cardiovascular problems as well as for those who are healthy because an environment that’s too hot inevitably makes you feel like you’re suffocating, causing dehydration to occur. Also, in extreme cases where the user isn’t paying attention or tries to surpass his or her limits, burns might appear due to the exaggerated temperature. Therefore, it’s best to have a thermometer around that shows exactly how hot it is in order to stay out of harm’s way completely.

  • A More Comfortable Experience

    Feeling comfortable and relaxed is probably the main reason why you have invested in a home sauna. Therefore, the last thing you want to experience is feeling like you’re on the sun, that you can’t breathe, and that you’re literally melting. With the help of the thermometer, you won’t experience these problems anymore as you will be able to keep an eye on the exact temperature inside the sauna, thus lowering the temperature or getting out when it gets unbearably or dangerously hot.

  • Complete Awareness of the Conditions Inside the Sauna

    No matter where you are or in what situation you’re in, it’s important to be completely aware of your surroundings and the environmental conditions. In the sauna, there’s not much to worry about when it comes to the surroundings as you’re simply surrounded by its walls and the benches. On the other hand, it’s vital to be aware of the temperature and humidity levels inside of the sauna as they weigh heavy on the pleasantness of the whole experience and on its safety as well.

  • Easy to Use

    What we can say for sure is that the thermometer that you install in the sauna, just like most other types of thermometers out there, is incredibly easy to use. All that you have to do is to mount it or place it on a bench, depending on the type of thermometer you buy, and visually check where the indicator is pointing when you want to know how the environmental conditions inside the sauna are. It’s one of the most straightforward and easy to use products out there, so you won’t stumble upon any issues from this point of view.