What temp is too cold for swimming?

According to the National Center for Cold Water Safety, water temperatures below 70 degrees Fahrenheit should be treated with caution. Water temperatures between 50 and 60 degrees Fahrenheit makes it difficult to control your breathing, and anything lower than 40 degrees is painfully cold.



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According to the National Center for Cold Water Safety, water temperatures below 70 degrees Fahrenheit should be treated with caution. Water temperatures between 50 and 60 degrees Fahrenheit makes it difficult to control your breathing, and anything lower than 40 degrees is painfully cold.

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According to the National Center for Cold Water Safety, water temperatures below 70 degrees Fahrenheit should be treated with caution. Water temperatures between 50 and 60 degrees Fahrenheit makes it difficult to control your breathing, and anything lower than 40 degrees is painfully cold.

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But cold-water causes the blood vessels close to the skin to constrict and results in a redistribution of the blood from the skin to the core. The body senses this 'excess' fluid in the core and stimulates urine production.

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20C: You might like a wetsuit for longer swims but not necessary. 18C: Time for a wetsuit unless your swim time is quite short.

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If you use a slow stroke rate without a wetsuit you will start to sink between strokes if you don't have great balance or buoyancy. With a wetsuit there is a lot more leniencies to swim with a slower stroke rate and keep better forward momentum.

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