A water temperature of 68°F (20°C) is considered quite cool for swimming, especially for extended periods. While some experienced swimmers and athletes might be accustomed to swimming in cooler water, it can be uncomfortable or even dangerous for others, particularly young children, older people, and individuals with medical conditions. For most recreational swimmers, a comfortable water temperature typically ranges from 78°F to 82°F (25°C to 28°C). To prevent discomfort or hypothermia, a warmer water temperature of around 90°F (32°C) is recommended for babies and young children. Swimming in cold water can rapidly lose body heat, which may cause cold shock, hypothermia, or even death in extreme cases. Suppose you plan to swim in cooler water. In that case, it’s essential to be aware of the risks, monitor your body’s reactions, and exit the water if you experience signs of cold-related issues, such as shivering numbness, or difficulty moving. Wearing a wetsuit or thermal swimwear can also help you stay warmer in cooler water temperatures.