Stay active safely during summer by planning workouts in the early morning or evening, avoiding peak heat between 11 a.m. and 3 p.m. Hydrate before, during, and after exercise, even if you don’t feel thirsty. even if you don’t feel thirst. Drink water or add electrolytes to your beverages. Wear lightweight, light-colored, breathable, moisture-wicking clothing, along with sunglasses, a hat, and sweat-resistant sunscreen. Take breaks in the shade, listen to your body, and allow 4-14 days to gradually adapt to exercising in hotter temperatures.