Evanston, United States offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Evanston is known for Northwestern University and the Mitchell Museum of the American Indian. The best time to travel to Evanston, United States, is during late spring to early fall (May to September) when the average air temperature ranges from 60°F to 80°F and Lake Michigan's water temperature is around 60°F to 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!