Cambridge Weather in August

August in Cambridge averages 28°C (82°F) during the day and 17°C (63°F) at night. Quite a bit of rainfall is typical this month, with around 94 mm (3.7 in) on average. An umbrella is a good idea.

Rainfall in Cambridge in August

Historically, August sees about 10 days of rain, with a monthly average of 94 mm (3.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Cambridge in August

Cambridge in August has perfect weather. Days reach 28°C (82°F) and nights cool to 17°C (63°F). August is typically considered a summer month. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Cambridge in August

Enjoy a sunny month with about 280 hours of sunshine, the clear skies make Cambridge even more beautiful.

Wind Speed in Cambridge in August

August has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in August

At 20°C (68°F), the water is pleasant for swimming. Most people find this range ideal — cool enough to be refreshing, warm enough to stay in comfortably.

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

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For a detailed overview over the year and the best time to visit the United States of America, check out our Cambridge's climate page.

Cambridge Temperature in August

Min Temperature 17°C (63°F)  

Max Temperature 28°C (82°F)  

Water Temperature 20°C (68°F) *  

Chance of Rain 33%  

Precipitation 94 mm (3.7 in)  

Rainy days 10 days  

Humidity 72% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 280 hours *  

Percentage Sunshine 64% *  

* Data from: Boston, the United States of America (5 KM, 3 Miles).

What to Wear in Cambridge in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 20°C (68°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Cambridge in August

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

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 States of America, check out our Cambridge's climate page.

More climate data for Cambridge

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Cambridge climate overview or explore weather in the United States of America.