Boston weather in July

July in Boston averages 82°F by day and 66°F at night, with 3.3 inches of precipitation. It is the 1st-warmest and 9th-wettest month of the year here.

BostonMassachusettsPop. 672,973
Average high
82°F+6° vs June
Average low
66°F0 nights below freezing
Precipitation
3.3 in6 days with 0.1 in. or more
Snow
0.0 in6 days at 90°F+

Is July a good time to visit Boston?

Yes. July is one of the most comfortable months in Boston by our rule (highs of 62 to 86°F, lows of 42°F or more and under 4.5 inches of precipitation). The most comfortable months overall are May to October.

On July 15 the sun rises at 5:21 am and sets at 8:18 pm, giving 14h 58m of daylight. Daylight all year.

What to pack for Boston in July

  • Summer clothes, with a light layer for air conditioning

Based on 30-year averages, not a forecast. Check the forecast a few days before you go.

July nearby

CityDistanceHighLowPrecip.
Boston82°F66°F3.3 in
Cambridge, MA3 mi82°F66°F3.3 in
Somerville, MA3 mi82°F66°F3.3 in
Newton, MA7 mi82°F66°F3.3 in
Quincy, MA7 mi82°F66°F3.3 in
Lynn, MA10 mi82°F66°F3.3 in
Brockton, MA19 mi82°F63°F3.4 in

Frequently asked questions

What is the weather like in Boston in July?

In July, Boston averages a high of 82°F and a low of 66°F, with 3.3 inches of precipitation (NOAA 1991-2020 normals).

Is July a good time to visit Boston?

Yes. July is one of Boston's most comfortable months by our rule: highs between 62°F and 86°F, lows of 42°F or more and modest rain.

Does it snow in Boston in July?

Rarely. The July snowfall normal is under half an inch.

Before and after: Boston in June and Boston in August. All twelve months: Boston weather by month.

NOAA NCEI 1991-2020 climate normals, station Boston Logan Intl. Airport, MA, 2.5 miles from the city center.