The best time to go to Mount Vernon, Ohio, is during the spring or autumn months.Spring, from April to May, brings pleasant weather with blooming flowers and trees, making it ideal for exploring the natural beauty of the area. The average temperatures range from 10°C to 20°C, superb for outdoor activities like hiking and visiting local parks. This period is particularly good for families looking to enjoy the outdoors without extreme heat.Autumn, from September to October, offers cooler temperatures and stunning fall foliage. The landscape transforms into a canvas of reds, oranges, and yellows, providing a beautiful backdrop for scenic drives and walks.