Chatham Weather in August

During August, Chatham experiences high daytime temperatures of 25°C (77°F) and cooler nights around 18°C (64°F). As the driest month of the year, and part of the summer season, rainfall is at its lowest.

Rainfall in Chatham in August

This month is perfect for exploring, with the driest conditions of the year. Historically, approximately 8 days this month are expected to have rain, averaging 71 mm (2.8 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Chatham in August

The temperature in Chatham in August is perfect. Daytime highs reach 25°C (77°F), with nights dropping to 18°C (64°F). The summer season is characteristic of August. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Chatham in August

The city usually sees around 278 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Chatham.

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• January
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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 Chatham's climate page.

Chatham Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 71 mm (2.8 in)  

Rainy days 8 days  

Sunshine 278 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (45 KM, 28 Miles).

What to Wear in Chatham in August

Warm but pleasant conditions in Chatham 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Chatham 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 Chatham's climate page.

More climate data for Chatham

Temperature Rainfall Sunshine

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