The best time to go to Seabrook Island for pleasant weather and fewer crowds is during the spring (April to May) or fall (September to October).During these shoulder seasons, the temperatures are mild, typically ranging from the 60s to high 70s Fahrenheit, making it ideal for outdoor activities like biking, horseback riding on the beach, and playing golf or tennis. The humidity is also lower than in the summer months, contributing to a more comfortable experience. Families looking for a relaxed vacation away from peak season crowds will appreciate the tranquility and availability of amenities without the summer rush.Summer (June to August) offers the warmest weather, with temperatures often in the 80s and 90s, high humidity, and ocean temperatures great for swimming. This is peak season, especially for families with children, as all resort facilities are fully operational, and there are many organized activities for younger guests. Expect more people on the beaches and at the pools during this time.Winter (November to March) is the quietest time on Seabrook Island, with cooler temperatures ranging from the 40s to 60s. While swimming isn't typically an option, it's an excellent time for long walks on the beach, birdwatching, and enjoying the island's natural beauty in solitude.