What is the coldest temperature safe to swim in?
What is the coldest temperature safe to swim in? 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.
Why do I pee a lot after cold water swimming?
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.