26.08
wed
wed
Day
64°F
S 7 mph
Precip.
11%
11%
Night
54°F
W 4 mph
Precip.
17%
17%
27.08
thu
thu
Day
63°F
NW 4 mph
Precip.
14%
14%
Night
54°F
N 5 mph
Precip.
10%
10%
28.08
fri
fri
Day
64°F
NE 8 mph
Precip.
4%
4%
Night
59°F
N 6 mph
Precip.
10%
10%
29.08
sat
sat
Day
66°F
NW 11 mph
Precip.
12%
12%
Night
57°F
W 15 mph
Precip.
77%
77%
30.08
sun
sun
Day
61°F
NE 16 mph
Precip.
22%
22%
Night
57°F
NE 11 mph
Precip.
39%
39%
31.08
mon
mon
Day
57°F
NE 6 mph
Precip.
81%
81%
Night
55°F
N 9 mph
Precip.
14%
14%
01.09
tue
tue
Day
63°F
N 7 mph
Precip.
26%
26%
Night
57°F
NE 5 mph
Precip.
71%
71%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 62.0°F. The highest and lowest sea temperatures during the month were 64.0°F and 60.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 57.7°F. The highest and lowest sea temperatures during the month were 61.9°F and 51.3°F.
Air temperature in Vaasa, °F
Precipitation total in Vaasa, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Vaasa
Vaasa on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Vaasa
Local time: 04:00
August 26, wednesday
0600
55°F
S
5 mph
5 mph
0900
61°F
S
6 mph
6 mph
1200
64°F
S
7 mph
7 mph
1500
64°F
S
8 mph
8 mph
1800
64°F
S
7 mph
7 mph
2100
55°F
SW
6 mph
6 mph
August 27, thursday
0000
54°F
W
4 mph
4 mph
0300
52°F
W
4 mph
4 mph
