Annual Weather Averages in Boston
Based on weather reports collected during 1985–2015.
All Year Climate & Weather Averages in Boston
High Temp: 28 °C
Low Temp: -5 °C
Mean Temp: 11 °C
Precipitation: 44.7 mm
Humidity: 65%
Dew Point: 4 °C
Wind: 16 km/h
Pressure: 1017 mbar
Visibility: 16 km
January Climate & Weather Averages in Boston
High Temp: 3 °C
Low Temp: -5 °C
Mean Temp: -1 °C
Precipitation: 45.5 mm
Humidity: 63%
Dew Point: -8 °C
Wind: 18 km/h
Pressure: 1018 mbar
Visibility: 15 km
February Climate & Weather Averages in Boston
High Temp: 4 °C
Low Temp: -4 °C
Mean Temp: 0 °C
Precipitation: 39.1 mm
Humidity: 60%
Dew Point: -8 °C
Wind: 18 km/h
Pressure: 1017 mbar
Visibility: 16 km
March Climate & Weather Averages in Boston
High Temp: 7 °C
Low Temp: 0 °C
Mean Temp: 4 °C
Precipitation: 49.4 mm
Humidity: 62%
Dew Point: -4 °C
Wind: 18 km/h
Pressure: 1018 mbar
Visibility: 16 km
April Climate & Weather Averages in Boston
High Temp: 13 °C
Low Temp: 5 °C
Mean Temp: 9 °C
Precipitation: 46.6 mm
Humidity: 62%
Dew Point: 1 °C
Wind: 17 km/h
Pressure: 1016 mbar
Visibility: 16 km
May Climate & Weather Averages in Boston
High Temp: 19 °C
Low Temp: 10 °C
Mean Temp: 15 °C
Precipitation: 45.0 mm
Humidity: 66%
Dew Point: 8 °C
Wind: 15 km/h
Pressure: 1016 mbar
Visibility: 16 km
June Climate & Weather Averages in Boston
High Temp: 25 °C
Low Temp: 15 °C
Mean Temp: 20 °C
Precipitation: 46.3 mm
Humidity: 68%
Dew Point: 13 °C
Wind: 15 km/h
Pressure: 1014 mbar
Visibility: 15 km
July Climate & Weather Averages in Boston
High Temp: 28 °C
Low Temp: 19 °C
Mean Temp: 23 °C
Precipitation: 41.2 mm
Humidity: 67%
Dew Point: 17 °C
Wind: 14 km/h
Pressure: 1014 mbar
Visibility: 15 km
August Climate & Weather Averages in Boston
High Temp: 27 °C
Low Temp: 18 °C
Mean Temp: 22 °C
Precipitation: 38.5 mm
Humidity: 69%
Dew Point: 16 °C
Wind: 13 km/h
Pressure: 1016 mbar
Visibility: 15 km
September Climate & Weather Averages in Boston
High Temp: 23 °C
Low Temp: 14 °C
Mean Temp: 18 °C
Precipitation: 40.9 mm
Humidity: 70%
Dew Point: 13 °C
Wind: 14 km/h
Pressure: 1018 mbar
Visibility: 16 km
October Climate & Weather Averages in Boston
High Temp: 17 °C
Low Temp: 8 °C
Mean Temp: 13 °C
Precipitation: 44.6 mm
Humidity: 67%
Dew Point: 6 °C
Wind: 16 km/h
Pressure: 1018 mbar
Visibility: 16 km
November Climate & Weather Averages in Boston
High Temp: 11 °C
Low Temp: 3 °C
Mean Temp: 7 °C
Precipitation: 48.0 mm
Humidity: 65%
Dew Point: 1 °C
Wind: 17 km/h
Pressure: 1019 mbar
Visibility: 16 km
December Climate & Weather Averages in Boston
High Temp: 6 °C
Low Temp: -2 °C
Mean Temp: 2 °C
Precipitation: 51.9 mm
Humidity: 64%
Dew Point: -4 °C
Wind: 18 km/h
Pressure: 1019 mbar
Visibility: 16 km