What is the water temperature on Lake Havasu in summer?

Lake Havasu water temperatures range from about 65-70 degrees F in winter to 80-88 degrees F during peak summer months of July and August. The warm summer water makes Lake Havasu exceptionally comfortable for swimming, tubing, and wake sports without a wetsuit. Surface temperatures can exceed 85 degrees F in shallow sandbar areas on hot summer days. Spring (April-May) water temperatures in the 70-76 degree range are ideal for most water activities.