But for the best experience, we recommend anytime from May through August.(Image: https://dribbble.com/search/shots/popular/20src=) This is the warmest time of year and will offer you long, sunny days on the water with gorgeous evening sunsets.(Image: https://dribbble.com/search/shots/popular/20src=) Of course, you should check the average weather conditions during the time you plan to visit and pack accordingly. Spring and fall temperatures tend to range in the high 50°s with some rainfall, which summer temperatures are generally in the 80°s with some humidity.