Measurements:
°C
°F
Stonington
96°F
E 13 mph
Feels like: 108°F
Precip: 3%
World Resorts USA Stonington Weather August Weather in Stonington

Stonington Weather: August

Average Day Temperature: 81.2°F
Average Night Temperature: 68.4°F
Sea Water Temperature: 72.3°F
Number of Sunny Days: 10 days
Sunshine Hours: 13.1 - 14.4 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.0 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 89°F. The lowest night temperature was 59°F. The average values for day and night temperatures during August were 78.8°F и 65.9°F respectivly.

Stonington Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Stonington was 71.9°F. The maximum and minimum values were 69.8°F and 76.2°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Stonington is 1.0 in. It makes august one of the least rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 7.2 mph. It makes August one of the most windless months of the year for Stonington.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Stonington in August is 7.9 hours.

Best Time to Visit Stonington
The most sunny months:
November 16 days
October 14 days
September 14 days
The most warm months:
July 82.8 °F
August 81.2 °F
June 76.6 °F
Warmest sea temperature:
August 72.2 °F
July 70.7 °F
September 70.2 °F
The most cold months:
January 34.7 °F
February 35.9 °F
December 40.1 °F
The most rainy months:
October 4 days
July 3 days
November 3 days
The most windy months:
January 10 mph
December 10 mph
March 10 mph

Stonington on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Stonington
Local time: 14:14
15 jul, wednesday
1500 96°F
E
13 mph
1800 90°F
SE
9 mph
2100 80°F
SE
7 mph
16 jul, thursday
0000 74°F
S
6 mph
0300 72°F
SE
2 mph
0600 72°F
SE
3 mph
0900 78°F
E
4 mph
1200 84°F
E
6 mph