Current sea water temperature:
+64.8°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: | 61.9°F |
| more information | |
14 days
forecast
forecast
| Plymouth |
monthly
weather
weather
| Plymouth |
Sea water temperature for the last 10 days:
| August 26 | 64.8°F | August 21 | 64.6°F |
| August 25 | 65.1°F | August 20 | 65.3°F |
| August 24 | 64.4°F | August 19 | 65.3°F |
| August 23 | 64.2°F | August 18 | 65.8°F |
| August 22 | 64.2°F | August 17 | 65.5°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:
2026
2025
2024
The average sea water temperature in August of 2026 was 65.3°F. The highest and lowest sea temperatures during the month were 66.6°F and 63.5°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: 17:24
August 26, wednesday
1800
73°F
NW
11 mph
11 mph
2100
63°F
W
6 mph
6 mph
August 27, thursday
0000
63°F
W
12 mph
12 mph
0300
63°F
NW
7 mph
7 mph
0600
63°F
NW
8 mph
8 mph
0900
63°F
N
8 mph
8 mph
1200
70°F
N
9 mph
9 mph
1500
70°F
N
13 mph
13 mph
