Sullivan's Island summers are hot and typically humid, while the cold winters are intensified by the winds. Generally, the weather is warm and temperate with signficant rainfall throughout the year. Visit during the late spring and early fall for weather that's ideal for outdoor activities. If you visit between June and September you can expect rainier weather.
Sullivan's Island is the ideal beach for couples and families looking for a low-key getaway to the beach. Tasty locally-owned restaurants, natural wildlife, and historical landmarks add to the secluded feel of this peaceful beach town.
The closest major airport to Sullivan's Island is CHS, Charleston International Airport. For travelers arriving via Charleston, the quick 20-minute drive through Mt. Pleasant is best done by car or bus. Due to the island's bike-ability, it's recommended to bring or rent one upon arrival for easy access to all of the island's attractions.