What's the temperature of swimming pool water in winter?

Check the industry encyclopedia, the natural water temperature is more than 10 degrees, and the constant temperature swimming pool is more than 20 degrees. The water temperature in the swimming pool is controlled at 24-30 degrees in winter. It depends on what pool it is. The open-air swimming pool is suitable for winter swimming and the water temperature is low. Indoor standard training pool. The water temperature is around 26 degrees. Swimming indoors with constant temperature and warm water, the pool water temperature is about 28 degrees. The water temperature in hotels and hot spring clubs is above 30 degrees. There is also a baby swimming pool. The water temperature is controlled between 37 and 40 degrees, which is the most suitable and acceptable range for babies.