The best time to visit Hornell, New York, is during the summer months, from June to August, or in the early fall, during September and October.During the summer, Hornell experiences pleasant weather with warmer temperatures and less rain, making it ideal for outdoor activities and exploring the local area. Many community events and festivals are scheduled during this time, offering visitors a chance to experience local culture.Early fall brings cooler temperatures and the region's well-known fall foliage. The surrounding countryside becomes a canvas of reds, oranges, and yellows, providing scenic drives and photo opportunities.