Current sea water temperature:
+49.3°F
| Minimum sea water temperature in May: | 57.4°F |
| Maximum sea water temperature in May: | 34.5°F |
| Average sea water temperature in May: | 43.8°F |
| more information | |
14 days
forecast
forecast
| Vaasa |
monthly
weather
weather
| Vaasa |
Sea water temperature for the last 10 days:
| May 18 | 49.3°F | May 13 | 46.2°F |
| May 17 | 47.3°F | May 12 | 47.7°F |
| May 16 | 46.6°F | May 11 | 46.0°F |
| May 15 | 46.4°F | May 10 | 43.9°F |
| May 14 | 45.5°F | May 9 | 44.1°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: 16:38
May 18, monday
1800
52°F
E
7 mph
7 mph
2100
48°F
SE
5 mph
5 mph
May 19, tuesday
0000
46°F
SW
6 mph
6 mph
0300
46°F
SW
7 mph
7 mph
0600
46°F
SW
8 mph
8 mph
0900
50°F
W
9 mph
9 mph
1200
48°F
SW
14 mph
14 mph
1500
48°F
SW
13 mph
13 mph
