Current sea water temperature:
+65.7°F
| Minimum sea water temperature in August: | 66.6°F |
| Maximum sea water temperature in August: | 58.6°F |
| Average sea water temperature in August: | 61.7°F |
| more information | |
14 days
forecast
forecast
| Plymouth |
monthly
weather
weather
| Plymouth |
Sea water temperature for the last 10 days:
| August 5 | 65.7°F | July 31 | 65.3°F |
| August 4 | 66.6°F | July 30 | 65.7°F |
| August 3 | 65.3°F | July 29 | 66.0°F |
| August 2 | 64.9°F | July 28 | 65.1°F |
| August 1 | 65.5°F | July 27 | 65.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Plymouth?
Based on the data about daily sea water temperature for the last three years the warmest sea in Plymouth was noticed in August, September and July.
Monthly Sea Temperatures in Plymouth, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.3°F. The highest and lowest sea temperatures during the month were 64.4°F and 61.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.5°F. The highest and lowest sea temperatures during the month were 63.7°F and 59.2°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 65.0°F. The highest and lowest sea temperatures during the month were 66.6°F and 62.2°F.
current
weather
weather
| Plymouth |
weather in
August
August
| Plymouth |
Best time for vacation in Plymouth
Plymouth on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Plymouth
Local time: 01:40
August 06, thursday
0300
54°F
SE
8 mph
8 mph
0600
52°F
SE
6 mph
6 mph
0900
61°F
SE
9 mph
9 mph
1200
66°F
E
11 mph
11 mph
1500
68°F
E
14 mph
14 mph
1800
66°F
SE
13 mph
13 mph
2100
57°F
SE
9 mph
9 mph
August 07, friday
0000
52°F
S
8 mph
8 mph
