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Plymouth Monthly Weather Averages

Please click on any column to get detailed information about Plymouth weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

The warmest month in Plymouth is july. The average daily temp is 65.9°F. The average nightly temp is 57.3°F.

Sea water temperature, °F

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 61.6°F.

Precipitation total, in.

September is the month with least precipitations during the year. The average precipitation totals for this month is 1.8 in. The month with most precipitation total is December.

Number of rainy days

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Plymouth

Sunniest months:
July 9 days
September 9 days
April 9 days
Warmest months:
July 65.8 °F
August 65.6 °F
September 62.8 °F
Warmest sea temp:
August 61.6 °F
September 61.2 °F
July 60.6 °F
Coldest months:
January 47.3 °F
February 47.5 °F
March 49.4 °F
Rainiest months:
December 8 days
January 7 days
October 7 days
Windiest months:
December 16.7 mph
February 16.6 mph
January 15.8 mph

Plymouth on a weather map

Plymouth
+48°F
SW 9 mph
Feels like: +45°F
Precip.: 0%
Places in United Kingdom:
Name
°F
+45°F
+52°F
+46°F
+48°F
+46°F
+61°F
+48°F
+46°F
+50°F
+48°F
+46°F
+48°F
+46°F
+43°F
+46°F
24 Hours Forecast
Plymouth
Local time: 17:26
November 14, thursday
1800
48°F
SW
9 mph
2100
46°F
SW
9 mph
November 15, friday
0000
45°F
SW
7 mph
0300
45°F
SW
7 mph
0600
46°F
SW
6 mph
0900
48°F
W
5 mph
1200
54°F
W
4 mph
1500
54°F
NW
2 mph
Units of measurement: °C / °F