Boston weather in August (Massachusetts, United States of America)

Is Boston a good destination in August, weather-wise? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

The weather in Boston is usually perfect in August, featuring high temperatures and moderate rainfall. During August, the summer season is in full swing. Throughout the day, temperatures typically settle at around 27°C. But by evening, they drop to around 18°C.

Precipitation

Boston in August usually receives moderate rainfall, averaging around 95 mm for the month. Past climate data indicates that roughly 10 days will see rain.

Average sunshine

The city usually sees around 280 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Boston. August and September typically offer the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Boston climate page with graphs.

 

Boston, monthly averages in August

Min Temperature 18°C  

Max Temperature 27°C  

Water Temperature 20°C  

Chance of Rain 33%  

Precipitation 95 mm  

Rainy days 10 days  

Humidity 72%  

Windspeed 18 km/h  

Sunshine 280 hours  

Percentage Sunshine 64%  

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 20°C this is a great month to swim so bring your swimwear.

What To Do

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Boston.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.