What is the best water temperature for arthritis?

Warmer water — often around 83–90°F (28–32°C), like a dedicated warm-water or therapy pool — tends to feel best for arthritic joints because the warmth relaxes muscles and eases stiffness. Many pools that offer arthritis or aqua-therapy classes keep the water warmer for this reason.

Should I swim during an arthritis flare-up?

Listen to your body and your doctor. During a bad flare, gentle range-of-motion movement in warm water may help some people, while others need rest. Ease off if a movement hurts (beyond normal effort), and never push through sharp pain.

Do I need to know how to swim to exercise in the water?

No. Water walking and most water-aerobics moves are done standing in shallow water where you can touch the bottom, so they're open to non-swimmers. If you'd like to learn to swim too, that's a wonderful low-impact goal — just start with a patient instructor.

Is Swimming Good for Arthritis?

By The Editorial Team · July 10, 2026 · Reviewed July 10, 2026 · 3 min read

If arthritis makes exercise feel like a trade-off between doing nothing and hurting more, the water can be a genuine relief. Swimming and water exercise are among the most joint-friendly ways to move, which is exactly why they’re so often recommended for aching joints. Here’s why the water helps — and how to start gently and safely.

A quick, important note: this is general information, not medical advice. Arthritis varies a lot from person to person, so talk with your doctor or physical therapist before starting a new exercise routine, and let them guide what’s right for you.

The short answer

For many people with arthritis, swimming is one of the best exercises there is. The water carries most of your body weight, so your joints move with far less impact and pressure than on land — while the resistance still gently builds the muscle that supports and protects those joints. Warm water eases stiffness on top of that. It isn’t right for everyone or every day, so check with your doctor, but as a low-impact option it’s hard to beat.

Why water is so kind to sore joints

Three things make the water special for arthritis:

Buoyancy takes the load off. Standing chest-deep in water, you carry only a fraction of your body weight. That means your knees, hips, and ankles can bend and move without the pounding that land exercise brings.
Warmth relaxes and eases stiffness. Warm water loosens tight muscles and helps stiff joints move more freely, which is why warm-water or “arthritis” pools feel so good.
Gentle resistance builds support. Water pushes back softly in every direction, so easy movement strengthens the muscles around your joints — and stronger muscles mean better-supported, more comfortable joints over time.

The best water activities for arthritis

You don’t have to swim laps to get the benefit. In rough order of gentleness:

Water walking. Simply walking back and forth in chest-deep water — the easiest possible start. See our water walking for beginners guide.
Water aerobics / aqua classes. Gentle, guided low-impact movement, often set to music, done standing. Many pools run specific arthritis or aqua-therapy classes — water aerobics for beginners explains what to expect.
Easy swimming. Relaxed strokes like breaststroke or backstroke, at your own pace. If a stroke aggravates a joint, switch to one that feels better or stick with water walking and aerobics.

How to start gently and safely

Get your doctor’s okay first, especially if you have significant joint damage, a recent injury, or other health conditions.
Look for a warm-water pool or an arthritis-friendly class; call your local pool, community center, or YMCA and ask.
Warm up and start small — a few gentle minutes, and build up slowly over weeks. Sore-but-better is fine; sharp or lasting pain is a signal to stop.
Move through a comfortable range, not to the edge of pain, and don’t push through anything sharp.
Stay safe in the water: swim or exercise where a lifeguard is present, in water you can stand in if you’re not a confident swimmer, and never alone.

The next small step

You don’t need to commit to a program today. Call one nearby pool and ask two questions: “Do you have a warm-water pool?” and “Do you run any arthritis or gentle water-exercise classes?” That single call is often the start of moving more comfortably than you have in a while.

Frequently asked questions

Is swimming good for arthritis?: For many people, yes. Water supports your body weight, so swimming and water exercise let stiff, painful joints move with far less impact than land exercise. Warm water also eases stiffness. It isn't right for everyone, though — check with your doctor about what's suitable for you.
What is the best water temperature for arthritis?: Warmer water — often around 83–90°F (28–32°C), like a dedicated warm-water or therapy pool — tends to feel best for arthritic joints because the warmth relaxes muscles and eases stiffness. Many pools that offer arthritis or aqua-therapy classes keep the water warmer for this reason.
Should I swim during an arthritis flare-up?: Listen to your body and your doctor. During a bad flare, gentle range-of-motion movement in warm water may help some people, while others need rest. Ease off if a movement hurts (beyond normal effort), and never push through sharp pain.
Do I need to know how to swim to exercise in the water?: No. Water walking and most water-aerobics moves are done standing in shallow water where you can touch the bottom, so they're open to non-swimmers. If you'd like to learn to swim too, that's a wonderful low-impact goal — just start with a patient instructor.

Sources

This page draws on the primary and authoritative sources below. Figures and guidance are as reported by those sources — follow the links for the latest details.

Physical Activity for Arthritis — Arthritis Foundation (arthritis.org)
Physical Activity Basics — U.S. Centers for Disease Control and Prevention (CDC) (cdc.gov)
Exercise and Physical Activity — National Institute on Aging (NIH) (nia.nih.gov)

Cite this page

APA

The Editorial Team. (2026). Is Swimming Good for Arthritis?. My Swimming Guide. https://myswimmingguide.com/is-swimming-good-for-arthritis/

MLA

"Is Swimming Good for Arthritis?." My Swimming Guide, July 10, 2026, https://myswimmingguide.com/is-swimming-good-for-arthritis/.

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