The best time to go to Hampton Bays is during the summer months, from June to August, when the weather is ideal for beach activities and outdoor recreation.During this peak season, you'll find all local businesses, restaurants, and attractions fully open and operating with extended hours. The ocean temperatures are warm, making it great for swimming, boating, and enjoying the public beaches like Ponquogue Beach. This period is particularly good for families looking for a classic summer vacation experience, with plenty of options for daytime fun and evening dining.For travelers who prefer fewer crowds and a slightly more relaxed pace, the shoulder months of May, early June, and September also offer pleasant weather and a good selection of open establishments. The water might be a bit cooler in May and June, but the sunny days are still great for exploring the area.