Boston weather averages

Going to Boston? Find the best month to visit Boston based on the weather.

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Check Boston weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in Boston is expected to be 13°C, while the average maximum temperature in March is 8°C.

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More about Boston

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The weather for Boston, Massachusetts shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Boston weather averages: best month

Boston Best month Averages
Warmest July 28°C
Sunniest June, July & August 9 hours per day
Least rain September 8 days
Warmest sea July & August 18°C

Boston climate guide

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Tropical storm risk: Boston, Massachusetts hurricane season

% of month affected by tropical storms
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The Boston, Massachusetts tropical storm risk chart above shows the hurricane season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

More about tropical storms

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Boston weather averages by month

Check Boston holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Boston weather with the USA

Below the Boston weather chart shows maximum daytime temperature for Boston, Massachusetts, USA and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Boston, Massachusetts, USA
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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More Massachusetts destinations

All Massachusetts destinations >>

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