Measurements:
°C
°F
Vaasa
30°F
NE 11 mph
Feels like: 20°F
Precip: 0%
World Resorts Finland Vaasa Weather

Vaasa Sea Water Temperature

Current Sea Water Temperature:
+29.6°F
Maximum Sea Water Temperature in March: 32.0°F
Minimum Sea Water Temperature in March: 26.6°F
Average water temperature in March: 29.1°F

Sea Water Temperature for the Last 10 Days:

March 09 29.6°F March 04 30.4°F
March 08 28.6°F March 03 26.8°F
March 07 29.0°F March 02 26.8°F
March 06 27.8°F March 01 26.8°F
March 05 28.4°F February 28 26.8°F

When is the Warmest Sea for Vaasa?

According to our data for the last three years for Vaasa the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Vaasa was 66.1°F. The maximum and minimum values were 59.4°F and 75.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Vaasa was 67.3°F. The maximum and minimum values were 59.4°F and 76.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Vaasa was 58.6°F. The maximum and minimum values were 51.4°F and 63.2°F respectively.

Best Time to Visit Vaasa
The most sunny months:
July 15 days
May 14 days
June 14 days
The most warm months:
July 66.2 °F
August 65.2 °F
June 58.3 °F
Warmest sea temperature:
August 64.9 °F
July 64.6 °F
September 57.1 °F
The most cold months:
January 22.7 °F
February 23.7 °F
December 29.5 °F
The most rainy months:
August 5 days
July 4 days
October 4 days
The most windy months:
December 12 mph
November 12 mph
October 12 mph

Vaasa on the Weather Map

Finland Resorts:
NAME
Espoo +26
Helsinki +26
Imatra +28
Juvaskyla +24
Kemi +26
Lahti +24
Lappeenranta +22
Oulu +30
Pori +30
Porvoo +26
Saariselka +22
Seinajoki +30
Turku +30
Vaasa +30
Vantaa +26
24 Hours Weather Forecast
Vaasa
Local time: 05:39
10 mar, tuesday
0600 30°F
NE
11 mph
0900 30°F
N
7 mph
1200 36°F
N
9 mph
1500 36°F
NE
12 mph
1800 34°F
NE
12 mph
2100 32°F
N
11 mph
11 mar, wednesday
0000 32°F
NE
11 mph
0300 34°F
NE
11 mph