Climate guide for Boston, United States

Boston in August

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

August · United States

Best time to visit Boston in AugustWeather, crowds & prices

August score

7.9/10

Ranked #3 of 12 months

Full year for Boston
Avg temp
22°C
Rainfall
106 mm
Humidity
75%
Sunny days
21
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Boston scores 7.9/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 22°C, 106 mm of rain, and roughly 21 sunny days this month.

Freedom Trail bricks, harbor ferries, and campus greens feel finest May through September.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Boston in August?
In August, Boston averages 22°C, 106 mm of rain, and about 21 sunny days. Its climate-comfort score is 7.9/10.
Is August a good time to visit Boston?
August earns a 7.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Boston in August?
Expect about 106 mm of rain in August. Average humidity is 75% and there are about 21 sunny days.

Curated in Boston

Tickets & experiences

Things to do in Boston

Boston, United States. Live activities and tours from GetYourGuide, matched to this destination.