The best time to visit Jeffersonville is during the summer and autumn months, from June to October, when the weather is most agreeable for outdoor activities.Summer, from June to August, offers warm, sunny days great for enjoying the local lakes, rivers, and outdoor attractions. You'll find most businesses and activities fully operational during this peak season.Autumn, particularly September and October, brings cooler temperatures and the spectacular colours of the Catskill Mountains' foliage. This is an ideal time for scenic drives, hiking, and enjoying the Harvest Festival.