Measurements:
°C
°F
Plymouth
10°F
SE 12 mph
Feels like: -2°F
Precip: 0%
World Resorts USA Plymouth Weather August Weather in Plymouth

Plymouth Weather: August

Average Day Temperature: 80.3°F
Average Night Temperature: 68.0°F
Sea Water Temperature: 69.9°F
Number of Sunny Days: 12 days
Sunshine Hours: 13.2 - 14.4 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.9 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 97°F. The lowest night temperature was 57°F. The average values for day and night temperatures during August were 80.8°F и 64.1°F respectivly.

Plymouth Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Plymouth was 69.3°F. The maximum and minimum values were 66.6°F and 73.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Plymouth is 0.9 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 7.6 mph. It makes August the most windless month of the year for Plymouth.

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 Plymouth in August is 8.1 hours.

Best Time to Visit Plymouth
The most sunny months:
November 15 days
October 13 days
September 13 days
The most warm months:
July 82.1 °F
August 80.3 °F
June 75.6 °F
Warmest sea temperature:
August 69.8 °F
July 69.4 °F
September 66.9 °F
The most cold months:
January 34.8 °F
February 36.0 °F
December 40.5 °F
The most rainy months:
October 4 days
April 3 days
January 3 days
The most windy months:
March 11 mph
January 11 mph
February 11 mph

Plymouth on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Plymouth
Local time: 03:07
05 dec, friday
0600 8°F
SE
7 mph
0900 12°F
E
4 mph
1200 20°F
NE
6 mph
1500 28°F
NE
9 mph
1800 26°F
NE
6 mph
2100 26°F
E
5 mph
06 dec, saturday
0000 26°F
NE
3 mph
0300 28°F
NW
2 mph