World Resorts USA Plymouth Weather

Plymouth weather in August

Weather in Plymouth: August

Average day temperature: 78.0°F
Average night temperature: 66.2°F
Sea water temperature: 68.0°F
Number of sunny days: 12 days
Day length: 13.2 - 14.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 94°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during August were 81.9°F and 66.4°F.

Sea water temperature in Plymouth in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 68.3°F. The highest and lowest sea temperatures during the month were 70.9°F and 65.5°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in Plymouth in August is 0.9 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 7.6 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.1.

Best time for vacation in Plymouth

Sunniest months:
November 15 days
December 13 days
June 13 days
Warmest months:
July 79.3 °F
August 78.0 °F
June 73.9 °F
Warmest sea temp:
August 67.9 °F
July 67.4 °F
September 65.2 °F
Coldest months:
January 35.7 °F
February 36.7 °F
December 40.6 °F
Rainiest months:
October 4 days
April 3 days
July 2 days
Windiest months:
March 11.0 mph
January 10.7 mph
December 10.5 mph

Plymouth on a weather map

Plymouth
+55°F
SW 11 mph
Feels like: +52°F
Precip.: 4%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+75°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+81°F
+64°F
24 Hours Forecast
Plymouth
Local time: 05:19
September 19, saturday
0600
55°F
SW
11 mph
0900
57°F
SW
11 mph
1200
59°F
SW
11 mph
1500
59°F
SW
9 mph
1800
55°F
W
6 mph
2100
54°F
NW
7 mph
September 20, sunday
0000
50°F
N
4 mph
0300
50°F
N
3 mph
Units of measurement: °C / °F