The best time to visit Barrington, New Hampshire, is during the summer months, from June to August, or in the autumn, from September to October.Summer offers the warmest weather, great for enjoying outdoor activities around Barrington, such as swimming, boating, and hiking in the nearby state parks like Bear Brook State Park. The days are long, and the local farms are often open for picking berries or enjoying fresh produce. This is an ideal time for families looking for an active holiday with plenty of sunshine.Autumn is particularly beautiful in Barrington due to the stunning fall foliage. The landscape transforms into a canvas of reds, oranges, and yellows, making it a popular time for scenic drives and photography. The cooler, crisp air is excellent for exploring walking trails and enjoying the peaceful surroundings.