Boston weather in March 2025

Expect 8°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Boston in March. Check more long-term weather averages for Boston in March before you book your next holiday to Massachusetts in 2025/2026.

8
8°C max day temperature
7
7 hours of sunshine per day
11
11 days with some rainfall
-2
-2°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
4
4 (Moderate) UV index
3
3°C sea temperature

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The March weather guide for Massachusetts (Boston) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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

More about the USA

How warm is it in Boston in March?

Daytime temperatures usually reach 8°C in Boston in March, falling to -2°C at night.

How sunny is it in Boston in March?

There are normally 7 hours of bright sunshine each day in Boston in March - that's 56% of daylight hours.

Is the sea cold around Boston in March?

The average sea temperature around Boston in March is 3°C.

Does it rain in Boston in March?

There are usually 11 days with some rain in Boston in March and the average monthly rainfall is 97mm.

Boston March sunrise & sunset times

Browse the sunrise and sunset times for Boston in March 2025. Select a month to view Boston sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Saturday, 1st March 2025	06:19	17:34
Sunday, 16th March 2025	05:54	17:52
Monday, 31st March 2025	05:28	18:09

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Massachusetts - quick facts
Flight time^✝	7.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Culture Nightlife
Tourist info	Visit Massachusetts