Weather in Boston in July

July in Boston is warm outdoor weather. Days are long enough to be useful. Shade starts to matter at midday.

In United States, this is how Boston actually wears July, not how a country centroid would. July is the peak of the warm side of the year in Boston. If you wanted the gentlest heat, this is not that month.

Boston
Average temp
24°C

19–28°C

Rainfall
82 mm

Showers likely

Sunshine
9.3 h

hours per day

Wind
16 km/h

What to expect

Daytime

Warm days in Boston in July. A hat starts to earn its keep at midday. Evenings are the comfortable part of the clock.

You can walk at more hours than in the fierce months. Still build in a pause when the sun is high. Nights are easy.

Rain

July is on the drier side of the year in Boston. Showers are possible. They do not define the month.

A shell that lives in the bag is enough. This is not March, and it should not be packed as if it were.

Evening

Evenings stay warm.

What to pack

  • Sun protection

  • Rain jacket

Where to stay in Boston

Dates are a starting point for July.

All hotels in Boston

Average weather in Boston

TemperatureRainfall

Source: MeteostatPeriod: 1991-2020Checked: 28 Aug 2026265 places covered

Similar weather in July

Other destinations whose July averages sit close to this one.

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FAQs about Boston

Climate averages for Boston, 1991–2020.

The best time to visit Boston is between May and October, the most comfortable stretch of the year on these averages.

July is the hottest month, with an average around 24°C.

December is the wettest month, with about 107 mm of rain.

No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.