Boston has a tropical climate with warm temperatures year-round. The coolest month is Jan (19°C66°F) and the warmest is May (32°C90°F). Annual rainfall totals 1620mm.
Monthly Averages
Jan
High28°C82°F
Avg Temp24°C75°F
Low19°C67°F
Precipitation98 mm
Wind10 km/h3 m/s6 mph
Feb
High29°C84°F
Avg Temp24°C76°F
Low20°C68°F
Precipitation47 mm
Wind11 km/h3 m/s7 mph
Mar
High30°C86°F
Avg Temp26°C78°F
Low21°C70°F
Precipitation45 mm
Wind13 km/h4 m/s8 mph
Apr
High31°C88°F
Avg Temp27°C80°F
Low23°C73°F
Precipitation43 mm
Wind14 km/h4 m/s8 mph
May
High32°C90°F
Avg Temp28°C82°F
Low24°C74°F
Precipitation109 mm
Wind13 km/h3 m/s8 mph
Jun
High32°C89°F
Avg Temp28°C82°F
Low24°C75°F
Precipitation212 mm
Wind12 km/h3 m/s7 mph
Jul
High32°C89°F
Avg Temp28°C82°F
Low24°C75°F
Precipitation197 mm
Wind12 km/h3 m/s7 mph
Aug
High32°C89°F
Avg Temp28°C82°F
Low24°C75°F
Precipitation152 mm
Wind10 km/h3 m/s6 mph
Sep
High32°C89°F
Avg Temp28°C82°F
Low24°C74°F
Precipitation250 mm
Wind9 km/h2 m/s6 mph
Oct
High31°C88°F
Avg Temp27°C80°F
Low22°C72°F
Precipitation223 mm
Wind9 km/h2 m/s5 mph
Nov
High29°C85°F
Avg Temp25°C77°F
Low21°C70°F
Precipitation141 mm
Wind9 km/h2 m/s5 mph
Dec
High28°C83°F
Avg Temp24°C75°F
Low20°C67°F
Precipitation103 mm
Wind9 km/h2 m/s5 mph
HighLowPrecipitation
Monthly Wind Speed
km/hm/smph
Frequently Asked Questions
What is the climate like in Boston?
Boston has an average annual temperature of 26°C with 1620mm of rainfall per year. The warmest month is May (32°C) and the coldest is Jan (19°C).
What is the hottest month in Boston?
The hottest month in Boston is May, with an average high of 32°C.
How much rain does Boston get?
Boston receives 1620mm of precipitation annually. The wettest month is Sep (250mm) and the driest is Apr (43mm).
When is the best time to visit Boston?
The best time to visit Boston is during Jan, Feb, Dec, when temperatures are comfortable and rainfall is relatively low.