ClimateForecastDecemberJanuary >>

Boston (MA) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in Boston (Massachusetts). The numbers are calculated over a 30-year period to provide a reliable average.

  • A lot of rain (rainy season) falls in the months: February, March, May, June, July, October and December.
  • On average, December is the wettest month with 132 mm of precipitation.
  • On average, September is the driest month with 79 mm of precipitation.
  • The average amount of annual precipitation is 1238 mm.

Current rainfall in Boston (MA)

Wed   Dec 04
5°C | -3°C
S 25 km/h
1.1 mm
broken clouds and small chance of slight rain

broken clouds and small chance of slight rain

Thu   Dec 05
7°C | 1°C
W 32 km/h
7.4 mm
broken clouds and rain

broken clouds and rain

Fri   Dec 06
2°C | -3°C
NW 32 km/h
clear and no rain

clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Boston.

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