14.01
wed
wed
Day
21°F
N 12 mph
Precip.
64%
64%
Night
19°F
NW 15 mph
Precip.
0%
0%
15.01
thu
thu
Day
21°F
NW 14 mph
Precip.
0%
0%
Night
23°F
N 9 mph
Precip.
63%
63%
16.01
fri
fri
Day
27°F
N 11 mph
Precip.
65%
65%
Night
25°F
N 11 mph
Precip.
76%
76%
17.01
sat
sat
Day
21°F
N 13 mph
Precip.
0%
0%
Night
19°F
N 9 mph
Precip.
0%
0%
18.01
sun
sun
Day
32°F
NE 11 mph
Precip.
0%
0%
Night
21°F
NE 7 mph
Precip.
0%
0%
19.01
mon
mon
Day
30°F
NE 7 mph
Precip.
0%
0%
Night
21°F
NE 3 mph
Precip.
0%
0%
20.01
tue
tue
Day
23°F
W 3 mph
Precip.
0%
0%
Night
27°F
W 8 mph
Precip.
26%
26%
21.01
wed
wed
Day
27°F
W 9 mph
Precip.
81%
81%
Night
27°F
NW 11 mph
Precip.
28%
28%
22.01
thu
thu
Day
27°F
W 11 mph
Precip.
100%
100%
Night
21°F
NW 11 mph
Precip.
73%
73%
23.01
fri
fri
Day
18°F
NW 9 mph
Precip.
51%
51%
Night
12°F
N 7 mph
Precip.
0%
0%
24.01
sat
sat
Day
16°F
NE 6 mph
Precip.
0%
0%
Night
12°F
NE 6 mph
Precip.
0%
0%
25.01
sun
sun
Day
23°F
NE 11 mph
Precip.
0%
0%
Night
23°F
NE 9 mph
Precip.
78%
78%
26.01
mon
mon
Day
25°F
N 4 mph
Precip.
81%
81%
Night
12°F
SW 7 mph
Precip.
66%
66%
27.01
tue
tue
Day
16°F
SW 7 mph
Precip.
62%
62%
Night
12°F
SW 7 mph
Precip.
83%
83%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
7 days
forecast
forecast
| Helsinki |
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 34.9°F. The highest and lowest sea temperatures during the month were 36.9°F and 33.6°F.
Air temperature in Helsinki, °F
Precipitation total in Helsinki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 14:52
January 14, wednesday
1500
21°F
NW
12 mph
12 mph
1800
21°F
NW
14 mph
14 mph
2100
19°F
NW
15 mph
15 mph
January 15, thursday
0000
19°F
NW
15 mph
15 mph
0300
19°F
NW
14 mph
14 mph
0600
19°F
NW
15 mph
15 mph
0900
19°F
NW
14 mph
14 mph
1200
21°F
NW
14 mph
14 mph
