Chatham Weather in July

During July, Chatham experiences high daytime temperatures of 25°C (77°F) and cooler nights around 18°C (64°F). As part of the summer season, expect quite a bit of rainfall. Around 85 mm (3.3 in) is typical.

Rainfall in Chatham in July

Past climate data indicates that roughly 9 days will see rain, totalling around 85 mm (3.3 in) for the month. 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 Chatham in July

July is one of the better months to visit Chatham. Expect 25°C (77°F) during the day and 18°C (64°F) at night. The summer season takes place during July. Overall, the month follows a fairly predictable daily temperature pattern. 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. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in Chatham in July

The month enjoys around 301 hours of sunshine, creating mostly sunny days with good weather conditions.

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

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.

Chatham Temperature in July

Min Temperature 18°C (64°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 30%  

Precipitation 85 mm (3.3 in)  

Rainy days 9 days  

Sunshine 301 hours *  

Percentage Sunshine *  

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

What to Wear in Chatham in July

Warm weather calls for comfortable, breathable clothing in July. 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Chatham 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 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.