The best time to visit New Plymouth, Ohio, is during the spring and autumn months.Spring, particularly from April to May, offers pleasant weather with blossoming flowers and lush greenery, making it ideal for outdoor activities like hiking and exploring the nearby Hocking Hills State Park. The temperatures are mild, typically ranging from 10°C to 20°C, which is comfortable for walking and sightseeing.Autumn, from September to October, is another excellent time to visit, especially for those who appreciate vibrant fall foliage. The Hocking Hills region is renowned for its stunning display of red, orange, and gold leaves. The weather remains mild, usually between 10°C and 20°C, superb for scenic drives and enjoying the natural beauty of the area.