Measurements:
°C
°F
Plymouth
72°F
E 17 mph
Feels like: 72°F
Precip: 10%
World Resorts United Kingdom Plymouth Weather

7 Day Weather Forecast

08.19
wed
DAY
70°F
E 10 mph
precip
17%
NIGHT
58°F
NE 8 mph
precip
58%
08.20
thu
DAY
68°F
SE 15 mph
precip
15%
NIGHT
52°F
S 6 mph
precip
17%
08.21
fri
DAY
70°F
SW 9 mph
precip
4%
NIGHT
52°F
S 7 mph
precip
12%
08.22
sat
DAY
70°F
NW 6 mph
precip
5%
NIGHT
52°F
S 8 mph
precip
13%
08.23
sun
DAY
72°F
NW 5 mph
precip
1%
NIGHT
52°F
NW 6 mph
precip
13%
08.24
mon
DAY
72°F
NW 12 mph
precip
1%
NIGHT
56°F
W 4 mph
precip
22%
08.25
tue
DAY
72°F
NW 17 mph
precip
13%
NIGHT
58°F
W 5 mph
precip
40%

Plymouth Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Plymouth was 18.6°F. The maximum and minimum values were 17.5°F and 19.2°F respectively.

Plymouth on the Weather Map

Best Time to Visit Plymouth
The most sunny months:
July 10 days
June 9 days
April 9 days
The most warm months:
July 68.1 °F
August 67.5 °F
September 64.0 °F
Warmest sea temperature:
August 63.0 °F
September 62.5 °F
July 62.2 °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