Measurements:
°C
°F
Plymouth
48°F
N 23 mph
Feels like: 40°F
Precip: 100%
World Resorts United Kingdom Plymouth Weather May Weather in Plymouth

Plymouth Weather: May

Average Day Temperature: 58.2°F
Average Night Temperature: 49.2°F
Sea Water Temperature: 53.6°F
Number of Sunny Days: 8 days
Sunshine Hours: 14.7 - 16.1 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.9 in

Air Temperature in May, °F

Select Year: 2025 2024 2023

The highest day temperature in May 2025 was 65°F. The lowest night temperature was 41°F. The average values for day and night temperatures during May were 60.7°F и 51.6°F respectivly.

Plymouth Water Sea Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Plymouth was 56.7°F. The maximum and minimum values were 54.6°F and 58.4°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for Plymouth is 1.9 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 11.5 mph. It makes May one of the most windless months 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 May is 8.1 hours.

Best Time to Visit Plymouth
The most sunny months:
June 9 days
July 9 days
April 9 days
The most warm months:
July 67.6 °F
August 67.5 °F
September 64.0 °F
Warmest sea temperature:
August 63.0 °F
September 62.5 °F
July 61.9 °F
The most cold months:
January 46.8 °F
February 47.2 °F
March 49.4 °F
The most rainy months:
January 7 days
October 7 days
December 7 days
The most windy months:
December 16 mph
February 16 mph
January 16 mph

Plymouth on the Weather Map

United Kingdom Resorts:
NAME
Bath +40
Belfast +38
Bournemouth +48
Brighton +46
Bristol +42
Edinburgh +40
Gibraltar +56
Glasgow +36
Liverpool +40
London +38
Middlesbrough +40
Plymouth +48
Scarborough +38
Torquay +42
York +38
24 Hours Weather Forecast
Plymouth
Local time: 09:13
05 dec, friday
1200 48°F
N
28 mph
1500 52°F
N
29 mph
1800 52°F
NE
25 mph
2100 52°F
NE
27 mph
06 dec, saturday
0000 50°F
NE
32 mph
0300 50°F
NE
30 mph
0600 50°F
NE
30 mph
0900 52°F
E
30 mph