Is 20c water cold for swimming?
Is 20c water cold for swimming? The Canadian-based group considers cold temperatures to be under 10°C, while cool is 10°C to 20°C, warm or hot is 21°C to 39°C and anything above 40°C is considered scalding. It's safe to say you don't want to swim in waters less than 10°C or anything exceeding 40°C. “Most water in Canada is cold, said Beyers.
Is 20c too cold to swim?
20C: You might like a wetsuit for longer swims but not necessary. 18C: Time for a wetsuit unless your swim time is quite short.