9 Best Pool Thermometers in 2021 – Reviews & Top Picks

Last Updated: June 6, 2021

Are you afraid to dip your toe in earlier than realizing the precise temperature of the pool? Don’t fear; you aren’t alone.

Some folks actually have a temperature set in their head and can refuse to swim till the pool reaches this temperature.

Knowing the temperature of your pool is a pleasant function, and fortuitously there are some very simple to make use of and inexpensive choices available on the market for taking the temperature of your pool.

We put collectively evaluations on 9 of the perfect pool thermometers on the market; certainly, there’s one on the checklist that can work in your specific pool.

A Quick Comparison of Our Favorites

The 9 Best Pool Thermometers — Reviews 2021

1. GAME 14900-6PDQ-E-01 Digital Pool Thermometer — Best Overall

GAME 14900-6PDQ-E-01


At the highest of our checklist is the GAME Digital Pool Thermometer. This is the perfect total possibility for a number of causes, together with value, accuracy, and sturdiness

Choosing a pool thermometer that you may go away in the pool and monitor the temperature from morning till night time is a pleasant profit. The GAME is completely able to floating in the pool all day and night time with out having to take it out. The unit does require two triple-A batteries to maintain it operating.

You can set the GAME Digital Pool Thermometer to learn in both Fahrenheit or Celsius. It has a 5-inch lengthy probe that provides you with a way more correct studying. If you measure the primary few inches of your pool water, the temperature will be off as a result of that water tends to warmth up sooner than the deeper water. The 5-inch depth on this thermometer is enough for producing extra correct readings.

The GAME 14900 will work simply wonderful with a hot tub or jacuzzi as effectively. The LCD display screen is simple to learn, and with its dimension, you might not must take the unit out of the pool to learn what it says.


  • Easy to learn LCD show
  • Five-inch probe
  • Can go away in the water
  • Fahrenheit or Celsius
  • Great value

2. Milliard Floating Pool Thermometer — Best Value

Milliard Floating Pool Thermometer


If you might be searching for a standard pool thermometer however don’t wish to spend a lot cash, the Milliard Floating Pool Thermometer is value contemplating. This thermometer is the perfect pool thermometer for the cash. It is obtainable at a really low value, and sturdy sufficient maintain up for fairly a while.

This is a standard mannequin with no LCD show. There is a bear-formed high to this thermometer that younger kids will like to see. The thermometer itself is constituted of sturdy ABS plastic, and it ought to maintain up for a number of seasons. If you don’t need this pool thermometer to journey across the complete pool, you possibly can merely use the included rope tether to maintain it connected to a ladder.

The Milliard is a seven-inch tall thermometer, however you need to contemplate the floating bear on the highest. The probe might be about so long as it’s for our primary selection, the GAME.

The Milliard will measure in each Fahrenheit and Celsius. Although it didn’t make our best choice as a result of it lacks the LCD show, you’ll by no means have to exchange batteries in this unit!

3. Ambient Weather WS-14 Wireless Pool Thermometer — Premium Choice

Ambient Weather WS-14 Wireless


This is the place issues get fancy. Not solely will you not have to stay your toe in the pool to check the temperature, however now you don’t even need to go outdoors. The Ambient Weather WS-14 Wireless Pool Thermometer comes with a show console that you may put in your own home to provide the studying of the pool temperature.

This wi-fi pool and spa thermometer is waterproof, and it floats on the floor of the water. This is a solar-powered unit with a battery backup. The indoor show piece is a battery-operated system.

The console that shows inside the house may even give an air temperature. You can get correct pool temperatures with this unit each sixty seconds when the sign wirelessly transmits. With an eight-channel selectable swap, you possibly can monitor temperatures from as much as eight completely different areas, all from the identical console. You would want extra probes for this to operate accurately.

There is a lid stored on the probe unit to make it possible for it’s a leak-free and water-resistant design. Although this thermometer will value a bit greater than different choices, you might be paying a premium for comfort.


  • Waterproof and leak-free design
  • Internal show
  • Also offers room temperature


  • More costly
  • Probe isn’t all that deep in the water

4. Pentair R141036 127 Tube Thermometer



If you don’t wish to spend as a lot cash because the Ambient possibility, the Pentair R141036 Tube Thermometer could possibly be a sensible choice. This unit will work in each a pool and spa, and it’ll give a top quality studying for a really low value.

There is nothing fancy concerning the Pentair Tube Thermometer, but it surely does include a 3-foot twine. The twine will be tied round a ladder or a diving board publish to maintain the thermometer for floating to the center of the pool.

If you may have a pool heater and wish to be sure it’s functioning accurately, this can be a low-cost possibility that you may throw in the pool. The one factor that does make this thermometer higher than another selections is the truth that it’s about 9 inches lengthy. The size will assist to get a extra correct temperature than one thing that sits on the floor.


  • Very low value
  • Simple to make use of
  • Has a 3-foot twine to tie to the ladder


  • Harder to learn
  • No digital show
  • Not wi-fi

5. eLander A15-EL Floating Pool Thermometer

eLander A15-EL


Another inexpensive simple to make use of possibility is the eLander A15-EL Floating Pool Thermometer. This is once more a standard floating pool thermometer, provided at a really low value. This unit can learn each Fahrenheit and Celsius temperatures.

The eLander is effectively constructed and might present correct readings for each pool and spa water temperatures.

There are two causes that this thermometer didn’t make it nearer to the highest of our checklist. The first is that it’s a bit laborious to learn. The numbers are fairly small, and we had bother figuring out the precise temperature of the pool.

The second subject we’ve got is that though this can be a extra prolonged unit, it typically appears to simply float on the highest of the water. Most pool house owners are going to wish to get a studying of the water just a few inches beneath the floor and never simply on the floor.


  • Reads each Fahrenheit and Celsius
  • Very low value


  • Not top quality
  • Hard to learn

6. Davespa Floating Pool Thermometer

Davespa Floating Pool Thermometer


The Davespa Floating Pool Thermometer is subsequent on our checklist. Again, a standard possibility with no LCD show. The Davespa is able to studying in each Fahrenheit and Celsius.

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The Davespa does include a string that will help you tie it in place for simple entry. The thermometer contained in the Davespa is shatter resistant, and the surface housing is sort of sturdy as effectively.

With the value of this unit and the opposite positives, there have been just some issues that stored it a bit additional down on our checklist. The first is the utmost temperature readings.

The Davespa will measure temperatures as much as 100 levels Fahrenheit. This possibility can be utilized in a spa, however it’s best for pool use. It appears to drift effectively in the pool and provides correct pool temperatures, however because it will get in direction of the highest, it’s more durable to see, and there are occasions your spa temperature might go larger than 100 levels.

The Davespa is just a little more durable to learn than another choices we’ve got reviewed, however any of the non-LCD show choices are going to take you a second to learn.


  • Shatter-resistant
  • Durable
  • Floats effectively


  • Temperature doesn’t go as excessive
  • Hard to learn show

7. Aquatix Pro Pool Thermometer

Aquatix Pro Pool Thermometer


This distinctive design may very well permit you to verify the water temperature with out eradicating the thermometer from the pool. Most floating pool thermometers have a spherical high piece that floats above the water and a thermometer that’s a number of inches beneath the water degree. The Aquatix works a bit backward. The thermometer half stands proud above the water.

The positives on the Aquatix Pro Pool Thermometer is that it really works in each swimming pools and spas and reads as much as 120 Fahrenheit. The out of the pool studying and the sturdy materials and shatter-resistant thermometer make this a superb possibility, particularly for the value.

The solely factor that stored the Aquatix this removed from the highest of our checklist is the accuracy. It appears as if with a part of the thermometer above the water, the temperature isn’t at all times correct. Although it’s good to see a bigger show, accuracy might be extra vital.

Some customers had bother with the string on this Aquatix and mentioned that it fell aside inside just a few months of being in the pool. Although the rope is comparatively simple to exchange, it ought to final various months earlier than falling aside.


  • Larger numbers simpler to learn
  • Comes with a one-12 months guarantee


  • Not as correct
  • String can crumble simply

8. U.S. Pool Supply TM-690 Scoop Pool Thermometer

U.S. Pool Supply Scoop Pool Thermometer


Next on our checklist is the U.S. Pool Supply Scoop Pool Thermometer. This is identical design because the Aquatix. It will stick above the water, and it has a big simple to learn and outsized show.

The U.S. Pool Supply Scoop Pool thermometer is able to giving each Fahrenheit and Celsius readings, and it even comes with a full one-12 months guarantee. Now you might be questioning why it’s subsequent to final on our checklist.

Although the U.S. Pool Supply is a superb value and comes with the guarantee getting an correct unit remains to be fairly vital to most pool house owners. You will probably be disenchanted with the accuracy of this mannequin. Some pool house owners mentioned that it by no means gave them the best temperature despite the fact that the show was simple to learn. We assume it has to do with the thermometer start above the water at some factors relying on how the U.S. Pool Supply unit is floating. With the opposite choices, we prompt there are probably higher methods to spend your cash.


  • Easy to learn
  • Very low value


  • Not correct
  • Doesn’t float accurately
  • Does not final lengthy

 9. Puri Tech Thermometer

Puri Tech Thermometer


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Last on our checklist is the Puri Tech Thermometer. This is a standard thermometer with out an LCD show; it additionally doesn’t float. The important purpose we put the Puri Tech on the backside of the checklist is that it’s going to not float.

If you didn’t wish to put your toe into the pool since you had been afraid it was too chilly, neglect about having to dive to the underside as a result of the Puri Tech turned undone and is now caught on the underside of the pool. If this falls to the underside in the offseason, will probably be a nuisance to get it out, and it may get in the best way of any sort of automated pool vacuum.

This thermometer is sturdy and will final for fairly a while so long as the included string holds up.


  • Does not float
  • Not top quality to carry up for a very long time
  • No LCD shows
  • A bit tough to learn

Buyer’s Guide

Now that you’ve extra info than you ever thought you would have about pool thermometers, it’s time to choose. Which one will work in your pool or spa? There are just a few key components that can make some items able to getting the job completed for you and others that you’ll probably need to cross off the checklist proper from the beginning. Here are crucial issues to maintain in thoughts.


Most pool thermometers could have a standard show the place you’ll need to line up the quantity to the studying on the thermometer. Some new choices provide a digital show. There are some downsides to digital shows as a result of they require batteries that can want substitute, however for the studying of the temperature, there’s nothing higher than digital.


Luckily a standard pool thermometer isn’t an costly buy. As you begin to look into the digital choices, the prices will improve. This piece of pool equipment will probably be certainly one of your least costly purchases.

Floating Pool Thermometer - Milliard


Most pool thermometers will include a rope to permit you to tie it to the ladder or the steps of your pool. This is a pleasant function to have. When the thermometer is floating out in the center of your pool, you’ll probably have a tough time getting the knowledge you want with out truly getting into the pool. Since the pricing of those pool thermometers is normally fairly low, the strings aren’t at all times all that top high quality. If a line must be changed in time, it gained’t be an costly repair.

Probe Depth

Choosing a thermometer that can float just a few inches below the water is the neatest selection. Anything that simply floats instantly on the highest of the water will give an inaccurate studying. The high layer of the pool is at all times a bit hotter from the solar.


We don’t blame you for eager to know the temperature of the pool earlier than doing that operating cannonball. Choosing a pool thermometer doesn’t have to be a tough determination. In truth, we made this determination a lot simpler for you by telling you that the GAME Digital Pool Thermometer is the most suitable choice on the market. It is reasonably priced, has a digital show, and provides correct outcomes. If you continue to really feel such as you need extra worth than that, the Milliard Floating Pool Thermometer does the job at a really low value. The Milliard can also be able to holding up for just a few years with no need to get replaced. Some of the decrease-value choices will have to be changed each season, however the Milliard is larger high quality even for the low value.

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