The best time to visit Haverhill is during the summer months, from June to August, and the fall, particularly in September and October.Summer in Haverhill offers warm, pleasant weather superb for outdoor activities. The average daily temperatures range from the mid-60s to the low 80s Fahrenheit, making it comfortable for exploring the natural beauty of the area. This season is ideal for families and active travelers looking to enjoy hiking, fishing, and boating on the Connecticut River. The longer daylight hours also allow for extended sightseeing and relaxation.Fall is another excellent time to visit, especially for those who appreciate scenic beauty. From mid-September through October, the White Mountains surrounding Haverhill transform with vibrant fall foliage. The crisp air and stunning colors create a picturesque setting for scenic drives, photography, and gentle walks.