Massachusetts weather by month

Average temperatures and rainfall across Massachusetts, based on 30 years of climate data.

Monthly climate (Boston)

MonthHigh / LowRainfallWet days
Jan36° / 24°3.7 in10
Feb38° / 25°3.3 in8.8
Mar44° / 31°4.6 in11.1
Apr54° / 41°3.9 in11
May64° / 50°3.2 in10.6
Jun73° / 59°3.4 in10.1
Jul79° / 65°2.9 in9.6
Aug78° / 65°3.4 in9.2
Sep71° / 58°3.5 in8.2
Oct61° / 48°4.3 in9.8
Nov50° / 38°3.7 in9.6
Dec41° / 30°4.5 in10.8

Cities in Massachusetts