30.12
tue
tue
Day
43°F
W 19 mph
Precip.
0%
0%
Night
36°F
SW 11 mph
Precip.
0%
0%
31.12
wed
wed
Day
41°F
W 5 mph
Precip.
0%
0%
Night
36°F
S 4 mph
Precip.
0%
0%
01.01
thu
thu
Day
43°F
SE 11 mph
Precip.
73%
73%
Night
39°F
S 6 mph
Precip.
0%
0%
02.01
fri
fri
Day
43°F
SE 2 mph
Precip.
76%
76%
Night
36°F
SW 5 mph
Precip.
0%
0%
03.01
sat
sat
Day
36°F
SW 19 mph
Precip.
0%
0%
Night
36°F
SW 20 mph
Precip.
0%
0%
04.01
sun
sun
Day
37°F
S 19 mph
Precip.
0%
0%
Night
34°F
S 19 mph
Precip.
0%
0%
05.01
mon
mon
Day
39°F
S 17 mph
Precip.
0%
0%
Night
34°F
S 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Plymouth |
monthly
weather
weather
| Plymouth |
current
weather
weather
| Plymouth |
14 days
forecast
forecast
| Plymouth |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 52.9°F. The highest and lowest sea temperatures during the month were 54.1°F and 51.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 50.8°F. The highest and lowest sea temperatures during the month were 52.0°F and 49.8°F.
Air temperature in Plymouth, °F
Precipitation total in Plymouth, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Plymouth
Plymouth on a weather map
Places in United Kingdom:
Name
°F
24 Hours Forecast
Plymouth
Local time: 23:24
December 31, wednesday
0000
36°F
SW
11 mph
11 mph
0300
34°F
SW
10 mph
10 mph
0600
34°F
SW
9 mph
9 mph
0900
34°F
SW
8 mph
8 mph
1200
41°F
W
5 mph
5 mph
1500
41°F
SW
2 mph
2 mph
1800
36°F
S
2 mph
2 mph
2100
36°F
S
4 mph
4 mph
