The best times to visit Dalton, New Hampshire, are during the summer months from June to August and the fall foliage season in September and October.Summer in Dalton offers pleasant weather, with average temperatures in the 70s Fahrenheit, making it ideal for outdoor activities. The region's natural beauty, including the nearby White Mountains, is fully accessible for hiking, fishing, and exploring. Families will appreciate the opportunities for outdoor adventures and scenic drives.For couples looking for a picturesque escape, the fall foliage season is unparalleled. The landscape transforms with vibrant reds, oranges, and yellows, creating stunning scenic vistas.