15.01
thu
thu
Day
45°F
S 17 mph
Precip.
100%
100%
Night
45°F
NE 14 mph
Precip.
100%
100%
16.01
fri
fri
Day
48°F
N 17 mph
Precip.
100%
100%
Night
45°F
N 12 mph
Precip.
100%
100%
17.01
sat
sat
Day
48°F
N 14 mph
Precip.
100%
100%
Night
45°F
W 14 mph
Precip.
100%
100%
18.01
sun
sun
Day
48°F
W 20 mph
Precip.
85%
85%
Night
48°F
W 13 mph
Precip.
100%
100%
19.01
mon
mon
Day
50°F
N 18 mph
Precip.
100%
100%
Night
45°F
N 12 mph
Precip.
78%
78%
20.01
tue
tue
Day
48°F
NW 14 mph
Precip.
0%
0%
Night
45°F
W 19 mph
Precip.
62%
62%
21.01
wed
wed
Day
43°F
SW 11 mph
Precip.
0%
0%
Night
36°F
S 10 mph
Precip.
0%
0%
22.01
thu
thu
Day
37°F
SW 16 mph
Precip.
0%
0%
Night
32°F
SW 16 mph
Precip.
0%
0%
23.01
fri
fri
Day
39°F
W 19 mph
Precip.
0%
0%
Night
34°F
W 12 mph
Precip.
0%
0%
24.01
sat
sat
Day
37°F
SW 13 mph
Precip.
0%
0%
Night
30°F
SW 11 mph
Precip.
0%
0%
25.01
sun
sun
Day
37°F
W 14 mph
Precip.
0%
0%
Night
32°F
SW 9 mph
Precip.
0%
0%
26.01
mon
mon
Day
37°F
SW 14 mph
Precip.
84%
84%
Night
30°F
SW 14 mph
Precip.
0%
0%
27.01
tue
tue
Day
36°F
SW 21 mph
Precip.
0%
0%
Night
30°F
SW 19 mph
Precip.
0%
0%
28.01
wed
wed
Day
34°F
SW 21 mph
Precip.
66%
66%
Night
30°F
SW 24 mph
Precip.
100%
100%
sea water
temperature
temperature
| Plymouth |
monthly
weather
weather
| Plymouth |
current
weather
weather
| Plymouth |
7 days
forecast
forecast
| Plymouth |
Sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 50.1°F. The highest and lowest sea temperatures during the month were 51.3°F and 49.3°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: 22:06
January 16, friday
0000
45°F
NE
14 mph
14 mph
0300
45°F
NE
15 mph
15 mph
0600
43°F
NE
11 mph
11 mph
0900
45°F
N
14 mph
14 mph
1200
48°F
N
17 mph
17 mph
1500
48°F
N
19 mph
19 mph
1800
45°F
N
16 mph
16 mph
2100
45°F
N
14 mph
14 mph
