Measurements:
°C
°F
Plymouth
62°F
SW 9 mph
Feels like: 62°F
Precip: 4%
World Resorts USA Plymouth Weather August Weather in Plymouth

Plymouth Weather: August

Average Day Temperature: 81.1°F
Average Night Temperature: 68.1°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: 2026 2025 2024

The highest day temperature in August 2026 was 99°F. The lowest night temperature was 58°F. The average values for day and night temperatures during August were 85.4°F и 68.3°F respectivly.

Plymouth Water Sea Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Plymouth was 70.3°F. The maximum and minimum values were 67.2°F and 73.2°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 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
December 13 days
June 13 days
The most warm months:
July 82.6 °F
August 81.1 °F
June 76.6 °F
Warmest sea temperature:
August 69.9 °F
July 69.4 °F
September 66.9 °F
The most cold months:
January 34.1 °F
February 35.3 °F
December 39.6 °F
The most rainy months:
October 4 days
April 3 days
July 2 days
The most windy months:
March 11 mph
January 11 mph
December 10 mph

Plymouth on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Plymouth
Local time: 10:31
15 sep, tuesday
1200 66°F
SW
9 mph
1500 66°F
SW
7 mph
1800 60°F
W
6 mph
2100 58°F
NW
6 mph
16 sep, wednesday
0000 54°F
N
5 mph
0300 54°F
NE
4 mph
0600 56°F
NE
5 mph
0900 60°F
NE
6 mph