Dennis Weather in August

Dennis in August sees high temperatures, with highs around 26°C (79°F) and overnight lows of 18°C (64°F). It's the driest month of the year, with very little rainfall to worry about.

Rainfall in Dennis in August

Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. You can typically expect 9 days of rain this month, averaging around 80 mm (3.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Dennis in August

The perfect temperature in Dennis in August makes it a solid month to visit, with 26°C (79°F) during the day and 18°C (64°F) at night. August is typically considered a summer month. This kind of day-to-night contrast is typical for this time of year. With lows of 18°C (64°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 Dennis in August

There are approximately 278 hours of sunshine this month, resulting in mostly clear days.

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

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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 Dennis's climate page.

Dennis Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 30%  

Precipitation 80 mm (3.1 in)  

Rainy days 9 days  

Sunshine 278 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (50 KM, 31 Miles).

What to Wear in Dennis in August

Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Dennis 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 Dennis's climate page.

More climate data for Dennis

Temperature Rainfall Sunshine

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