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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 august. The average daily temp is 65.9°F. The average nightly temp is 57.6°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.

July is the month with least precipitations during the year. The average precipitation totals for this month is 1.9 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:
January 7 days
October 7 days
December 7 days
Windiest months:
December 16.6 mph
February 16.6 mph
January 15.8 mph

Plymouth on a weather map

Plymouth
+45°F
S 6 mph
Feels like: +41°F
Precip.: 66%
Places in United Kingdom:
Name
°F
+37°F
+36°F
+43°F
+39°F
+39°F
+59°F
+32°F
+34°F
+37°F
+39°F
+34°F
+45°F
+36°F
+41°F
+32°F
24 Hours Forecast
Plymouth
Local time: 14:14
January 07, tuesday
1500
45°F
S
6 mph
1800
37°F
S
11 mph
2100
37°F
S
10 mph
January 08, wednesday
0000
34°F
SW
6 mph
0300
36°F
W
8 mph
0600
36°F
W
15 mph
0900
36°F
W
19 mph
1200
37°F
W
20 mph
Units of measurement: °C / °F