New Haven Weather in August

In New Haven, August brings high daytime temperatures around 28°C (82°F), with nights cooling to 18°C (64°F). Expect quite a bit of rainfall this month.

Rainfall in New Haven in August

Past climate data indicates that roughly 12 days will see rain, totalling around 116 mm (4.6 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in New Haven in August

Daytime temperatures in New Haven reach 28°C (82°F) in August, dropping to 18°C (64°F) at night. The summer season is characteristic of August. Conditions stay fairly consistent through the month, making it easier to plan what to wear. 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 New Haven in August

Expect a lot of sunshine this month, with about 269 hours of sun. These sunny conditions add to the overall experience.

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

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• February
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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 New Haven's climate page.

New Haven Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 38%  

Precipitation 116 mm (4.6 in)  

Rainy days 12 days  

Humidity 70% *  

Sunshine 269 hours *  

Percentage Sunshine 63% *  

* Data from: Hartford, the United States of America (54 KM, 33 Miles).

What to Wear in New Haven 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in New Haven 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

6/10

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 New Haven's climate page.

More climate data for New Haven

Temperature Rainfall Sunshine Humidity

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