Somerville Weather in August

August in Somerville brings high temperatures, with highs of 28°C (82°F) and nights dropping to 17°C (63°F). Rainfall is on the higher side this month, averaging around 95 mm (3.7 in), so keep a rain jacket handy.

Rainfall in Somerville in August

Expect around 10 days of rain based on historical data, with 95 mm (3.7 in) average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Somerville in August

August is a excellent month in Somerville, with 28°C (82°F) during the day and 17°C (63°F) at night. August marks the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 17°C (63°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Somerville in August

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

Wind Speed in Somerville in August

Average wind conditions reach 5 m/s (10 knots) in August. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

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're a fan of comfortable temperatures and drier conditions, August is a great time to visit.

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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 Somerville's climate page.

Somerville 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 95 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 Somerville in August

Warm but pleasant conditions in Somerville in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 20°C (68°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Somerville 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 Somerville's climate page.

More climate data for Somerville

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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