In my experience, the best time to travel to Massachusetts depends largely on your reason for visiting. Each season offers something distinct: winter is best for skiing and cozy mountain towns, fall is unmatched for foliage, spring is ideal for exploring cities and historic sites on foot, and summer is prime time for beaches, islands, and coastal festivals.
Overall, May through August are the most popular months to visit. Although the summer months are the most crowded and expensive, they are also the perfect time for visiting coastal areas and islands, including Martha’s Vineyard and Nantucket. Spring and fall offer more comfortable temperatures for exploring on foot, along with smaller crowds and lower prices.