The most popular time to visit Sullivan's Island is during the summer months, particularly in July. This is when the weather is at its warmest, with average temperatures around 85°F, creating a great environment for beach activities and outdoor exploration. The vibrant beach scene invites you to enjoy sunbathing, swimming, and leisurely strolls along the sandy shores, making it an ideal period for those seeking relaxation and fun.
During the peak season, which runs from May to August, Sullivan's Island experiences an influx of visitors eager to soak up the sun and the local culture. The charming streets are alive with activity, and you'll find numerous opportunities to engage in water sports, enjoy fresh seafood at local restaurants, or simply unwind in the natural beauty that surrounds you.
For couples and families alike, July offers a number of events, including beach festivals and live music, which enhance the lively atmosphere. The long days provide ample time to explore nearby attractions, such as Fort Moultrie or the historic charm of Charleston, all while enjoying the comfort of warm evenings.
If you're considering a more budget-friendly option, September is a fantastic alternative. The summer crowds begin to dwindle, yet the weather remains pleasantly warm, with fewer tourists allowing for a more peaceful experience. You can still enjoy beach activities and local dining without the hustle and bustle of peak season.