18.07
sat
sat
Day

73°F
N 11 mph
Precip.
21%
21%
Night

64°F
N 17 mph
Precip.
43%
43%
19.07
sun
sun
Day

59°F
E 12 mph
Precip.
23%
23%
Night

57°F
SW 5 mph
Precip.
11%
11%
20.07
mon
mon
Day

63°F
SW 10 mph
Precip.
2%
2%
Night

54°F
SW 10 mph
Precip.
10%
10%
21.07
tue
tue
Day

46°F
SW 12 mph
Precip.
44%
44%
Night

48°F
S 8 mph
Precip.
33%
33%
22.07
wed
wed
Day

57°F
S 7 mph
Precip.
21%
21%
Night

52°F
S 6 mph
Precip.
27%
27%
23.07
thu
thu
Day

61°F
S 6 mph
Precip.
32%
32%
Night

52°F
S 7 mph
Precip.
30%
30%
24.07
fri
fri
Day

59°F
S 7 mph
Precip.
16%
16%
Night

54°F
S 3 mph
Precip.
19%
19%
25.07
sat
sat
Day

66°F
NE 6 mph
Precip.
5%
5%
Night

59°F
N 7 mph
Precip.
20%
20%
26.07
sun
sun
Day

68°F
N 12 mph
Precip.
4%
4%
Night

63°F
N 7 mph
Precip.
9%
9%
27.07
mon
mon
Day

70°F
NW 9 mph
Precip.
4%
4%
Night

63°F
W 6 mph
Precip.
9%
9%
28.07
tue
tue
Day

72°F
N 6 mph
Precip.
6%
6%
Night

59°F
NE 4 mph
Precip.
20%
20%
29.07
wed
wed
Day

72°F
N 10 mph
Precip.
6%
6%
Night

57°F
NE 6 mph
Precip.
24%
24%
30.07
thu
thu
Day

66°F
W 11 mph
Precip.
14%
14%
Night

59°F
N 16 mph
Precip.
81%
81%
31.07
fri
fri
Day

63°F
N 17 mph
Precip.
70%
70%
Night

55°F
N 4 mph
Precip.
66%
66%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 61.1°F. The highest and lowest sea temperatures during the month were 64.9°F and 59.0°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.6°F. The highest and lowest sea temperatures during the month were 74.1°F and 56.8°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: 09:17
July 18, saturday
1200

73°F
N
11 mph
11 mph
1500

70°F
NW
7 mph
7 mph
1800

73°F
N
8 mph
8 mph
2100

68°F
N
11 mph
11 mph
July 19, sunday
0000

64°F
N
17 mph
17 mph
0300

63°F
N
17 mph
17 mph
0600

61°F
NE
18 mph
18 mph
0900

59°F
E
14 mph
14 mph




























