Current sea water temperature:
+42.1°F
| Minimum sea water temperature in April: | 44.1°F |
| Maximum sea water temperature in April: | 29.7°F |
| Average sea water temperature in April: | 34.0°F |
| more information | |
14 days
forecast
forecast
| Vaasa |
monthly
weather
weather
| Vaasa |
Sea water temperature for the last 10 days:
| April 28 | 42.1°F | April 23 | 42.6°F |
| April 27 | 39.2°F | April 22 | 44.1°F |
| April 26 | 39.2°F | April 21 | 42.6°F |
| April 25 | 38.8°F | April 20 | 42.1°F |
| April 24 | 43.2°F | April 19 | 41.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Vaasa?
Based on the data about daily sea water temperature for the last three years the warmest sea in Vaasa was noticed in August, July and September.
Monthly Sea Temperatures in Vaasa, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 64.5°F. The highest and lowest sea temperatures during the month were 73.0°F and 58.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 73.6°F and 58.5°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.
current
weather
weather
| Vaasa |
weather in
May
May
| Vaasa |
Best time for vacation in Vaasa
Vaasa on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Vaasa
Local time: 15:42
April 28, tuesday
1800

39°F
S
11 mph
11 mph
2100

36°F
SE
8 mph
8 mph
April 29, wednesday
0000

34°F
SE
8 mph
8 mph
0300

34°F
SE
6 mph
6 mph
0600

34°F
E
4 mph
4 mph
0900

37°F
NE
7 mph
7 mph
1200

41°F
NE
10 mph
10 mph
1500

39°F
NE
11 mph
11 mph




























