The best time to go to Monticello, New York, is during the summer months, from June to August, or in the autumn, from September to October.Summer offers consistently warm weather, great for enjoying the region's outdoor activities. You can spend your days exploring the nearby Catskill Mountains, visiting the local lakes for swimming or boating, or enjoying the various outdoor events and festivals that take place. Families often find summer ideal for a relaxed holiday with plenty of options for children's activities.Autumn brings spectacular foliage as the leaves change colour, creating a beautiful backdrop for exploring. This season is particularly appealing for couples looking for a picturesque getaway, with opportunities for scenic drives, hiking, and enjoying the cooler, crisp air.