The best time to visit Belmont, Massachusetts, is during the spring (April to June) and autumn (September to October) months.Spring offers mild temperatures and the town's gardens and parks are in full bloom, making it a lovely time for outdoor activities like walking or cycling along the Minuteman Bikeway. The weather is generally pleasant for exploring without the intense heat of summer.Autumn is particularly popular due to the stunning New England fall foliage. The cooler, crisp air is ideal for enjoying local events, visiting nearby historical sites, and taking scenic drives. The vibrant colours of the trees create a picturesque backdrop for your visit.While summer (July and August) can be warm and humid, it's also a good time for outdoor enthusiasts, with longer daylight hours for exploring the local nature reserves and ponds.