When the temperature is 30 degrees, do you go to the lake to play with water cooling?

Is it cold to play in the lake when the temperature is 30 degrees? Outdoor swimming, when the sun is shining, 25-30 degrees is suitable for swimming, and 37 degrees is too hot for swimming. If you swim, the suitable temperature is around 24-26 degrees. People will feel uncomfortable when the water temperature is low, and you can't swim when the water temperature is too high. In the weather of 30 degrees, the water temperature is lower than the temperature, which is just suitable for swimming.