ClimateAverages

Vaasa Climate

Ostrobothnia, Finland · population 57,014 · 114 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
7.0°C
Warmest month · July
19.8°C
Typical daytime high
Coldest month · February
-11.2°C
Typical overnight low

Vaasa has an average annual daytime high of 7.0°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 19.8°C, and its coldest is February, with overnight lows near -11.2°C.

Month by month averages

MonthAvg highAvg low
January-3.8°C-10.0°C
February-4.5°C-11.2°CColdest
March0.0°C-8.0°C
April5.0°C-2.4°C
May11.6°C2.6°C
June17.5°C8.2°C
July19.8°C11.0°CWarmest
August18.6°C10.5°C
September13.3°C6.5°C
October7.1°C1.8°C
November1.7°C-2.8°C
December-1.8°C-7.0°C

Temperature range across the year

-13°-4°4°13°22°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2024
+2.7°C vs. 1951–1980
Coldest year on record
1870
-2.9°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Vaasa getting hotter?

Since 1900, Vaasa's average temperature has risen by +2.5°C. Compared to the earliest station records that begin in 1750, warming totals +2.3°C.

3.0°3.7°4.5°5.2°6.0°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
June to August

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Vaasa?

Vaasa's average annual daytime high is 7.0°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 19.8°C, and the coldest is February, with lows averaging -11.2°C.

What is the warmest month in Vaasa?

July is the warmest month in Vaasa, with typical daytime highs of 19.8°C.

What is the hottest year on record for Vaasa?

2024 is the hottest year on record for Vaasa, running +2.7°C above the 1951 to 1980 baseline.

Is Vaasa getting hotter?

Yes. Since 1900, Vaasa has warmed by roughly +2.5°C.

When is the best time to visit Vaasa?

June to August typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.