17.05
sun
sun
Day

55°F
NE 11 mph
Precip.
0%
0%
Night

45°F
E 4 mph
Precip.
0%
0%
18.05
mon
mon
Day

61°F
W 4 mph
Precip.
0%
0%
Night

52°F
SW 8 mph
Precip.
100%
100%
19.05
tue
tue
Day

59°F
W 9 mph
Precip.
82%
82%
Night

52°F
N 7 mph
Precip.
79%
79%
20.05
wed
wed
Day

52°F
NE 10 mph
Precip.
0%
0%
Night

46°F
E 4 mph
Precip.
0%
0%
21.05
thu
thu
Day

59°F
N 8 mph
Precip.
0%
0%
Night

52°F
N 4 mph
Precip.
0%
0%
22.05
fri
fri
Day

55°F
NE 8 mph
Precip.
0%
0%
Night

48°F
E 7 mph
Precip.
0%
0%
23.05
sat
sat
Day

64°F
E 7 mph
Precip.
0%
0%
Night

50°F
NE 6 mph
Precip.
100%
100%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 43.5°F. The highest and lowest sea temperatures during the month were 46.0°F and 41.5°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: 04:35
May 17, sunday
0600

45°F
NE
4 mph
4 mph
0900

52°F
NE
8 mph
8 mph
1200

55°F
NE
11 mph
11 mph
1500

57°F
NE
11 mph
11 mph
1800

57°F
NE
10 mph
10 mph
2100

52°F
NE
5 mph
5 mph
May 18, monday
0000

45°F
E
4 mph
4 mph
0300

43°F
SE
4 mph
4 mph






























