Historical Weather Records & Monthly Climate for Boston, MA

All-Time High
103°F
All-Time Low
-12°F
Max Daily Snow
23.6"
Max Daily Rain
7.06"
Max Snow Depth
31"

Monthly Climate Averages for Boston, MA

Based on 30 years of historical data (1994 - 2023)

MonthHigh (°F)Low (°F)Precip (in)Snow (in)
January35°20°3.83"10.69"
February38°21°3.37"10.39"
March45°28°4.4"8.72"
April56°39°3.96"2.33"
May66°49°3.33"0
June76°59°3.52"0
July82°66°3.25"0
August80°64°3.34"0
September73°58°3.79"0
October62°47°4.46"0.27"
November50°36°3.56"1.07"
December41°27°4.44"7.76"

Historical Weather Extremes for Boston, MA

Based on 80+ years of archive data (1940 - 2024)

🔥
Longest Heatwave
2 Days
2015
Consecutive days ≥ 90°F
🧊
Deepest Freeze
26 Days
1963
Consecutive days ≤ 32°F
🏜️
Longest Drought
26 Days
1953
Consecutive days w/o rain
Wettest Month
17.09"
August 1955
Most rainfall in one month
Snowiest Month
64.8"
February 2015
Most snowfall in one month

More Historical Climate Data for Cities in


MA