What Temperature Should You Set a Hot Tub to for Safety?

What Temperature Should You Set a Hot Tub to for Safety?

Keeping your hot tub at a safe temperature is one of the simplest ways to enjoy relaxing soaks without risking overheating, dizziness, or dehydration. The right setting helps you unwind while keeping everyone from adults to kids comfortable and protected.

The Ideal Hot Tub Temperature for Most Adults

For most healthy adults, the sweet spot for comfort and safety is 100°F to 102°F. This range gives you that soothing, muscle relaxing warmth without putting too much stress on your body.

Some quick guidelines:

  • If you are new to hot tubs, start at 100°F and adjust slowly.

  • If you prefer extra warmth, you can bump it slightly but stay mindful of how your body feels.

  • Many owners find 101°F to 102°F perfect for evening or cold weather use.

The Maximum Safe Temperature

The highest temperature a hot tub should ever reach is 104°F. Anything above that can raise your core body temperature too quickly.

Prolonged soaking at or near 104°F may cause:

  • Dizziness or lightheadedness

  • Nausea

  • Dehydration

  • Overheating within as little as 15 to 20 minutes

If you are unsure, it is always safer to err on the cooler side.

Special Considerations for Children, Pregnant Women, and Sensitive Users

Some groups should keep temperatures lower to reduce the risk of overheating:

  • Children: 98°F to 100°F

  • Pregnant women: 98°F to 100°F (always check with a doctor)

  • People with heart conditions or blood pressure issues: lower temps and shorter sessions are best

A good rule of thumb: the younger or more sensitive the person, the cooler the water should be.

Adjusting Temperature Based on Weather and Activity

Your ideal temperature is not always the same year round. You can tweak the settings for better comfort and energy savings.

  • Cooler weather or nighttime use: 101°F to 102°F helps maintain warmth when the air is chilly.

  • Hot summer months: dropping the temp a few degrees keeps soaks comfortable and saves energy.

  • After exercise or sun exposure: let your body cool down first since your core temperature is already elevated.

Back to blog

Leave a comment

Please note, comments need to be approved before they are published.