The bath section is overflowing with accessories. The thermometer is one of them. Is it worth it, and which one should you choose? Here is an answer based on real-world use.
The right temperature, and why it matters
The widely accepted reference temperature for an infant’s bath is around 37 °C. A range of 36 to 37 °C is generally cited.
This precision is not merely for appearances. An infant’s skin is thin, and their body surface area is proportionally large. They cool down and get burned more quickly than an adult.
The real risk: burns
Domestic burns in young children are often linked to hot tap water. Water at 60 °C causes burns in just a few seconds.
The most effective measure is not actually the thermometer. It is adjusting the water heater or installing a thermostatic mixing valve.
Is your elbow enough?
Using your elbow or wrist gives you a rough indication. It tells you whether the water is too hot or too cold.
It cannot distinguish between 37 °C and 39 °C. This difference is barely noticeable by hand and is already uncomfortable for a newborn.
The thermometer’s real benefit
It is mainly useful in two situations. First, during the first few weeks, when you are still finding your bearings. Second, when several adults bathe the baby and do not have the same sensitivity to temperature.
After a few months, many parents stop using one. It is a calibration accessory, not a permanent piece of equipment.
Types of thermometers
The classic floating thermometer
Simple, battery-free, and often the most durable. Make sure it has no detachable parts that could be swallowed.
The digital thermometer
Faster and easier-to-read results. It relies on a battery, whose compartment should be screwed shut and watertight. A battery compartment that opens is a deal-breaker.
The thermometer built into the bathtub
This is the most streamlined option: nothing to store and nothing to lose. Our foldable bathtub with stand includes a thermometer, so there is no need to add another floating object.
What to avoid
- Bath toy thermometers with multiple hard-to-reach areas that are difficult to dry.
- Models that change color without displaying a numerical value.
- Connected accessories that add an app for trivial information.
An object that remains damp can develop internal mold. This is the main flaw of hollow bath toys.
What matters more than the thermometer
Supervision remains the only irreplaceable form of protection. We cover this point in detail in our article on official drowning statistics.
The height of the bathtub matters too. An adult who does not have back pain can supervise more effectively and for longer. Our baby bathtub comparison details these configurations, and our installation guide covers assembly.
Finally, the duration of the bath matters more than a tenth of a degree. Five to ten minutes are enough for an infant.
Key takeaways
- Approximately 37 °C remains the reference temperature for an infant’s bath.
- A thermometer is useful at the beginning and when several adults take turns bathing the baby.
- An integrated thermometer eliminates one more accessory to dry.
- Adjusting the water heater provides better protection than using a thermometer.
To learn more about bath time, read our article on baby bathing. Our FAQ covers maintenance.
