05.12
fri
fri
Day

39°F
N 6 mph
Precip.
0%
0%
Night

41°F
NW 6 mph
Precip.
0%
0%
06.12
sat
sat
Day

41°F
NW 11 mph
Precip.
0%
0%
Night

39°F
N 9 mph
Precip.
100%
100%
07.12
sun
sun
Day

39°F
NW 7 mph
Precip.
66%
66%
Night

39°F
N 9 mph
Precip.
84%
84%
08.12
mon
mon
Day

39°F
N 10 mph
Precip.
69%
69%
Night

41°F
NE 6 mph
Precip.
100%
100%
09.12
tue
tue
Day

41°F
SE 4 mph
Precip.
76%
76%
Night

37°F
E 1 mph
Precip.
45%
45%
10.12
wed
wed
Day

39°F
NW 7 mph
Precip.
79%
79%
Night

39°F
NW 13 mph
Precip.
100%
100%
11.12
thu
thu
Day

43°F
NE 12 mph
Precip.
100%
100%
Night

37°F
E 14 mph
Precip.
100%
100%
12.12
fri
fri
Day

34°F
S 20 mph
Precip.
49%
49%
Night

28°F
S 12 mph
Precip.
0%
0%
13.12
sat
sat
Day

27°F
W 7 mph
Precip.
0%
0%
Night

30°F
NW 13 mph
Precip.
21%
21%
14.12
sun
sun
Day

30°F
NW 16 mph
Precip.
100%
100%
Night

37°F
N 14 mph
Precip.
100%
100%
15.12
mon
mon
Day

37°F
N 12 mph
Precip.
100%
100%
Night

36°F
E 12 mph
Precip.
100%
100%
16.12
tue
tue
Day

27°F
SE 12 mph
Precip.
0%
0%
Night

28°F
W 11 mph
Precip.
100%
100%
17.12
wed
wed
Day

25°F
SW 4 mph
Precip.
0%
0%
Night

32°F
NW 16 mph
Precip.
100%
100%
18.12
thu
thu
Day

32°F
SW 14 mph
Precip.
100%
100%
Night

21°F
SW 16 mph
Precip.
55%
55%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
7 days
forecast
forecast
| Helsinki |
Sea water temperature in December, °F
Show year:
2024
2023
2022
The average sea water temperature in December of 2024 was 38.2°F. The highest and lowest sea temperatures during the month were 40.8°F and 35.6°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: 08:46
December 05, friday
0900

39°F
N
7 mph
7 mph
1200

39°F
N
6 mph
6 mph
1500

39°F
N
5 mph
5 mph
1800

39°F
NW
6 mph
6 mph
2100

41°F
NW
6 mph
6 mph
December 06, saturday
0000

41°F
NW
6 mph
6 mph
0300

41°F
NW
7 mph
7 mph
0600

39°F
W
9 mph
9 mph



























