South Dennis Weather in July

Thinking of visiting South Dennis in July? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 19°C (66°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in South Dennis in July

Expect around 10 days of rain based on historical data, with 85 mm (3.3 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in South Dennis in July

If you're visiting South Dennis in July, expect perfect temperatures with highs of 26°C (79°F) and overnight lows of 19°C (66°F). The summer season is characteristic of July. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 19°C (66°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. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in South Dennis in July

There are approximately 301 hours of sunshine this month, resulting in mostly clear days.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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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 South Dennis's climate page.

South Dennis Temperature in July

Min Temperature 19°C (66°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 32%  

Precipitation 85 mm (3.3 in)  

Rainy days 10 days  

Sunshine 301 hours *  

Percentage Sunshine *  

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

What to Wear in South Dennis in July

Warm temperatures in July 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in South Dennis in July

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 South Dennis's climate page.

More climate data for South Dennis

Temperature Rainfall Sunshine

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