Measurements:
°C
°F
Plymouth
52°F
NE 16 mph
Feels like: 46°F
Precip: 100%
World Resorts United Kingdom Plymouth Weather

7 Day Weather Forecast

05.18
mon
DAY
52°F
NE 16 mph
precip
100%
NIGHT
52°F
N 17 mph
precip
100%
05.19
tue
DAY
56°F
NE 21 mph
precip
100%
NIGHT
54°F
NE 19 mph
precip
0%
05.20
wed
DAY
60°F
NE 17 mph
precip
89%
NIGHT
54°F
N 9 mph
precip
0%
05.21
thu
DAY
62°F
N 9 mph
precip
0%
NIGHT
56°F
W 13 mph
precip
0%
05.22
fri
DAY
64°F
NW 9 mph
precip
0%
NIGHT
58°F
SE 6 mph
precip
0%
05.23
sat
DAY
66°F
SE 6 mph
precip
51%
NIGHT
54°F
S 9 mph
precip
0%
05.24
sun
DAY
66°F
N 2 mph
precip
41%
NIGHT
58°F
S 6 mph
precip
0%

Plymouth Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Plymouth was 12.3°F. The maximum and minimum values were 11.9°F and 12.8°F respectively.

Plymouth on the Weather Map

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 46.7 °F
February 47.3 °F
December 49.5 °F
The most rainy months:
December 7 days
October 7 days
January 7 days
The most windy months:
December 16 mph
February 16 mph
January 16 mph