Boston weather in June 2025

Expect 25°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Boston in June. Check more long-term weather averages for Boston in June before you book your next holiday to Massachusetts in 2025/2026.

25
25°C max day temperature
9
9 hours of sunshine per day
11
11 days with some rainfall
14
14°C min night temperature
15
15 hours of daylight per day
L
Low heat & humidity
80
80 mm of monthly rainfall
8
8 (Very High) UV index
14
14°C sea temperature

More about Boston

Boston by month

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

Recommended for Boston

Lufthansa: Top flight offers worldwide

Sale

Latest flight offers & special deals from Lufthansa
Flights to Germany (including Frankfurt & Munich)
Plus destinations across Europe and around the world

Go to Lufthansa deal >>

View all Lufthansa offers

The June 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 hot is it in Boston in June?

Daytime temperatures usually reach 25°C in Boston in June with low heat and humidity, falling to 14°C at night.

How sunny is it in Boston in June?

There are normally 9 hours of bright sunshine each day in Boston in June - that's 61% of daylight hours.

How warm is the sea around Boston in June?

The average sea temperature around Boston in June is 14°C.

Does it rain in Boston in June?

There are usually 11 days with some rain in Boston in June and the average monthly rainfall is 80mm.

Boston June sunrise & sunset times

Browse the sunrise and sunset times for Boston in June 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
Sunday, 1st June 2025	04:10	19:15
Sunday, 15th June 2025	04:07	19:23
Monday, 30th June 2025	04:11	19:25

Be inspired

Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers

We promise not to share your details

Popular travel offers

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