Measurements:
°C
°F
Vaasa
72°F
NE 17 mph
Feels like: 72°F
Precip: 9%
World Resorts Finland Vaasa Weather

Vaasa Sea Water Temperature

Current Sea Water Temperature:
+64.2°F
Maximum Sea Water Temperature in July: 76.2°F
Minimum Sea Water Temperature in July: 50.8°F
Average water temperature in July: 64.7°F

Sea Water Temperature for the Last 10 Days:

July 30 64.2°F July 25 65.2°F
July 29 63.6°F July 24 66.0°F
July 28 63.8°F July 23 66.6°F
July 27 63.8°F July 22 65.8°F
July 26 64.2°F July 21 66.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Vaasa was 66.5°F. The maximum and minimum values were 63.6°F and 69.8°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:
June 14 days
July 14 days
May 13 days
The most warm months:
July 66.1 °F
August 65.2 °F
June 58.4 °F
Warmest sea temperature:
August 64.9 °F
July 64.7 °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 +76
Helsinki +72
Juvaskyla +80
Kemi +66
Kotka +68
Lahti +80
Lappeenranta +78
Oulu +76
Pori +76
Saariselka +70
Savolinna +76
Seinajoki +80
Turku +74
Vaasa +72
Vantaa +76
24 Hours Weather Forecast
Vaasa
Local time: 13:45
30 jul, thursday
1500 72°F
NE
17 mph
1800 74°F
N
16 mph
2100 72°F
N
16 mph
31 jul, friday
0000 66°F
N
16 mph
0300 64°F
N
12 mph
0600 64°F
N
11 mph
0900 64°F
N
14 mph
1200 66°F
N
19 mph