Current sea water temperature:
+31.5°F
| Minimum sea water temperature in December: | 39.2°F |
| Maximum sea water temperature in December: | 29.5°F |
| Average sea water temperature in December: | 33.5°F |
| more information | |
14 days
forecast
forecast
| Vaasa |
monthly
weather
weather
| Vaasa |
Sea water temperature for the last 10 days:
| December 31 | 31.5°F | December 26 | 34.2°F |
| December 30 | 32.0°F | December 25 | 32.9°F |
| December 29 | 32.4°F | December 24 | 32.9°F |
| December 28 | 32.5°F | December 23 | 33.1°F |
| December 27 | 34.0°F | December 22 | 33.4°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
January
January
| Vaasa |
Best time for vacation in Vaasa
Vaasa on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Vaasa
Local time: 21:49
January 01, thursday
0000
19°F
N
9 mph
9 mph
0300
19°F
NW
12 mph
12 mph
0600
21°F
NW
14 mph
14 mph
0900
21°F
NW
17 mph
17 mph
1200
21°F
NW
20 mph
20 mph
1500
21°F
NW
21 mph
21 mph
1800
21°F
W
21 mph
21 mph
2100
21°F
W
21 mph
21 mph
