Historical Weather in Massachusetts
See 55+ years of weather history for any date in Massachusetts going back to 1970.
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Monthly Climate Averages
Historical temperature and precipitation averages for Boston, MA, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 84°F / Low: 64°F
Coldest MonthJanuaryAvg High: 36°F / Low: 20°F
Jan
36°/ 20°
💧 8.7"
❄️ 2.2"
Feb
39°/ 22°
💧 9.2"
❄️ 2.4"
Mar
47°/ 30°
💧 9.7"
❄️ 2.2"
Apr
57°/ 39°
💧 8.5"
❄️ 1.9"
May
68°/ 49°
💧 7.6"
❄️ 1.5"
Jun
78°/ 58°
💧 8.8"
Jul
84°/ 64°
💧 9.5"
Aug
82°/ 63°
💧 10.0"
Sep
74°/ 56°
💧 10.0"
Oct
63°/ 45°
💧 10.4"
❄️ 1.6"
Nov
52°/ 36°
💧 9.7"
❄️ 1.4"
Dec
42°/ 26°
💧 9.6"
❄️ 2.0"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Climate data based on Boston, the largest city in Massachusetts.
Massachusetts All-Time Temperature RecordsSee the hottest and coldest days ever recorded since 1970
→Today's Weather History in Massachusetts
See how today compares to 55+ years of weather data for Massachusetts cities.