28.12
sun
sun
Day
28°F
S 16 mph
Precip.
0%
0%
Night
32°F
E 6 mph
Precip.
100%
100%
29.12
mon
mon
Day
27°F
SE 14 mph
Precip.
86%
86%
Night
25°F
S 14 mph
Precip.
0%
0%
30.12
tue
tue
Day
23°F
S 16 mph
Precip.
65%
65%
Night
19°F
S 16 mph
Precip.
0%
0%
31.12
wed
wed
Day
19°F
S 14 mph
Precip.
0%
0%
Night
18°F
S 11 mph
Precip.
0%
0%
01.01
thu
thu
Day
16°F
SW 3 mph
Precip.
0%
0%
Night
19°F
W 6 mph
Precip.
100%
100%
02.01
fri
fri
Day
25°F
NW 14 mph
Precip.
55%
55%
Night
23°F
W 12 mph
Precip.
100%
100%
03.01
sat
sat
Day
19°F
SW 11 mph
Precip.
100%
100%
Night
16°F
SW 7 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 39.7°F. The highest and lowest sea temperatures during the month were 42.1°F and 36.5°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 35.1°F. The highest and lowest sea temperatures during the month were 37.0°F and 33.6°F.
Air temperature in Vantaa, °F
Precipitation total in Vantaa, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Vantaa
Vantaa on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Vantaa
Local time: 04:12
December 28, sunday
0600
28°F
S
21 mph
21 mph
0900
28°F
S
18 mph
18 mph
1200
28°F
S
16 mph
16 mph
1500
28°F
SE
11 mph
11 mph
1800
28°F
E
6 mph
6 mph
2100
30°F
E
6 mph
6 mph
December 29, monday
0000
32°F
E
6 mph
6 mph
0300
32°F
SE
9 mph
9 mph
