The best time to visit Amelia Island is between March and May or September and November. In spring, the weather is warm but not overly humid, making it ideal for outdoor activities like hiking and beach walks. Fall brings cooler temperatures, perfect for exploring nature parks, attending events, and enjoying local seafood. Summer is popular for beach vacations, but expect higher temperatures and more tourists. Winter remains mild, making it a great choice for those seeking a peaceful, quiet retreat. Spring and fall are the best for smaller crowds, pleasant weather, and outdoor adventures like birdwatching and kayaking.