Boston Weather in August

August in Boston typically sees daytime highs of 22°C (72°F) and nighttime lows of 13°C (55°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Boston in August

Historically, approximately 13 days this month are expected to have rain, averaging 72 mm (2.8 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Boston in August

August tends to be one of the perfect months in Boston, with 22°C (72°F) in the afternoon and 13°C (55°F) overnight. Experience the summer season in August. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Boston in August

The month enjoys around 195 hours of sunshine, creating mostly sunny days with good weather conditions.

If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Boston.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Boston's climate page.

Boston Temperature in August

Min Temperature 13°C (55°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 43%  

Precipitation 72 mm (2.8 in)  

Rainy days 13 days  

Sunshine 195 hours *  

Percentage Sunshine *  

* Data from: Peterborough, the United Kingdom (47 KM, 29 Miles).

What to Wear in Boston in August

Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Boston in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Boston's climate page.

More climate data for Boston

Temperature Rainfall Sunshine

See the full Boston climate overview or explore weather in the United Kingdom.