Spring and early autumn months offer cool breezes, fall foliage (peak season for leaf-peepers is early October) and an escape from humid, 80-degree summers and frigid winters. Summers find families taking advantage of school vacations to flock to the islands.
Off Season: early-December to March
Visitors tend to keep their distance during the chilly, 30-degree winters. If you can bear the cold, winter holidays in New England are worth it for the classic, 19th-century charm (think Christmas trees, eggnog, and fields blanketed in snow).
Sweet Spot: November to early-December
As long as you’re not looking for Technicolor leaf displays, late fall is a good time to grab a sweater and go – crowds disperse, lodging becomes more affordable, and the weather is still reasonable (temps average 50°F).