19.12
fri
fri
Day
50°F
E 15 mph
Precip.
80%
80%
Night
48°F
N 17 mph
Precip.
100%
100%
20.12
sat
sat
Day
50°F
N 24 mph
Precip.
100%
100%
Night
45°F
S 8 mph
Precip.
100%
100%
21.12
sun
sun
Day
48°F
NW 14 mph
Precip.
100%
100%
Night
45°F
NE 16 mph
Precip.
100%
100%
22.12
mon
mon
Day
48°F
N 10 mph
Precip.
100%
100%
Night
43°F
NW 6 mph
Precip.
100%
100%
23.12
tue
tue
Day
46°F
W 16 mph
Precip.
67%
67%
Night
39°F
SW 16 mph
Precip.
0%
0%
24.12
wed
wed
Day
45°F
SW 22 mph
Precip.
73%
73%
Night
39°F
SW 28 mph
Precip.
0%
0%
25.12
thu
thu
Day
39°F
SW 30 mph
Precip.
68%
68%
Night
36°F
SW 27 mph
Precip.
0%
0%
26.12
fri
fri
Day
37°F
SW 26 mph
Precip.
82%
82%
Night
39°F
W 24 mph
Precip.
100%
100%
27.12
sat
sat
Day
39°F
W 22 mph
Precip.
0%
0%
Night
34°F
SW 21 mph
Precip.
0%
0%
28.12
sun
sun
Day
39°F
W 26 mph
Precip.
0%
0%
Night
37°F
W 26 mph
Precip.
0%
0%
29.12
mon
mon
Day
37°F
W 26 mph
Precip.
0%
0%
Night
36°F
W 22 mph
Precip.
0%
0%
30.12
tue
tue
Day
41°F
W 17 mph
Precip.
0%
0%
Night
36°F
SW 11 mph
Precip.
0%
0%
31.12
wed
wed
Day
39°F
SW 6 mph
Precip.
0%
0%
Night
34°F
S 7 mph
Precip.
0%
0%
01.01
thu
thu
Day
43°F
SE 7 mph
Precip.
68%
68%
Night
34°F
S 12 mph
Precip.
0%
0%
sea water
temperature
temperature
| Plymouth |
monthly
weather
weather
| Plymouth |
current
weather
weather
| Plymouth |
7 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 53.2°F. The highest and lowest sea temperatures during the month were 54.1°F and 52.3°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: 20:20
December 19, friday
2100
46°F
NE
13 mph
13 mph
December 20, saturday
0000
48°F
N
17 mph
17 mph
0300
48°F
N
22 mph
22 mph
0600
48°F
N
23 mph
23 mph
0900
48°F
N
25 mph
25 mph
1200
50°F
N
24 mph
24 mph
1500
48°F
N
21 mph
21 mph
1800
48°F
N
14 mph
14 mph
