Current sea water temperature:
+52.7°F
| Minimum sea water temperature in April: | 53.6°F |
| Maximum sea water temperature in April: | 45.3°F |
| Average sea water temperature in April: | 50.3°F |
| more information | |
14 days
forecast
forecast
| Plymouth |
monthly
weather
weather
| Plymouth |
Sea water temperature for the last 10 days:
| April 26 | 52.7°F | April 21 | 52.0°F |
| April 25 | 52.9°F | April 20 | 52.2°F |
| April 24 | 52.7°F | April 19 | 52.5°F |
| April 23 | 52.3°F | April 18 | 52.2°F |
| April 22 | 52.0°F | April 17 | 52.0°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:
2025
2024
2023
The average sea water temperature in July of 2025 was 62.3°F. The highest and lowest sea temperatures during the month were 63.9°F and 59.7°F.
current
weather
weather
| Plymouth |
weather in
May
May
| Plymouth |
Best time for vacation in Plymouth
Plymouth on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Plymouth
Local time: 23:23
April 27, monday
0000
48°F
SW
6 mph
6 mph
0300
48°F
SW
6 mph
6 mph
0600
46°F
SW
6 mph
6 mph
0900
55°F
SW
5 mph
5 mph
1200
61°F
W
4 mph
4 mph
1500
61°F
SW
1 mph
1 mph
1800
59°F
SE
5 mph
5 mph
2100
52°F
S
11 mph
11 mph
