Boston, Massachusetts Weather in July

United States · July climate averages and travel tips

Avg high28°C (82°F)
Avg low18°C (64°F)
Rainfall113 mm (4.4 in)
RatingGood 6.7/10

Boston in July sees daytime temperatures around 28°C (82°F), dropping to about 18°C (64°F) at night. July is summer in United States. The month is moderately rainy, with about 113 mm (4.4 in) of rain spread over 14 days, making it the third wettest month of the year. Humidity averages 76%, so it feels sticky and hotter than the thermometer suggests. You get roughly 14.8 hours of daylight and a mix of sun and cloud.

Is July a good time to visit Boston?

July is a good time to visit Boston (6.7/10), though September is even better.

July weather at a glance

Average high28°C (82°F)
Average low18°C (64°F)
Daily mean23°C (73°F)
Rainfall113 mm (4.4 in)
Rainy days (1 mm+)14
Humidity76%
Cloud cover56%
Daylight14.8 hours
Est. sunshine7.2 hours/day
Wind1.3 km/h
vs June4°C warmer than June, with similar rainfall.

What to pack for Boston in July

Boston weather in other months

Jan1°C / -7°C95 mmPoorFeb2°C / -7°C88 mmPoorMar6°C / -3°C108 mmPoorApr13°C / 3°C107 mmFairMay19°C / 9°C93 mmExcellentJun24°C / 14°C109 mmGoodJul28°C / 18°C113 mmGoodAug27°C / 17°C95 mmGoodSep24°C / 13°C97 mmExcellentOct17°C / 8°C126 mmGoodNov10°C / 1°C97 mmFairDec4°C / -3°C121 mmPoor

← JuneBest time to visit BostonAugust →

Better weather in July nearby

Nearby in July

Where else is good in July? See where to go in July.