ClimateAverages

Kotka Climate

Kymenlaakso, Finland · population 54,616 · 164 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
7.6°C
Warmest month · July
19.9°C
Typical daytime high
Coldest month · February
-10.3°C
Typical overnight low

Kotka has an average annual daytime high of 7.6°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 19.9°C, and its coldest is February, with overnight lows near -10.3°C.

Month by month averages

MonthAvg highAvg low
January-3.2°C-9.2°C
February-3.9°C-10.3°CColdest
March0.0°C-7.3°C
April5.3°C-1.6°C
May11.8°C3.6°C
June17.5°C9.1°C
July19.9°C12.3°CWarmest
August19.3°C12.2°C
September14.2°C7.8°C
October8.1°C2.9°C
November3.1°C-1.4°C
December-0.5°C-5.8°C

Temperature range across the year

-12°-4°5°13°22°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2024
+3.0°C vs. 1951–1980
Coldest year on record
1941
-3.0°C vs. 1951–1980

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

Is Kotka getting hotter?

Since 1900, Kotka's average temperature has risen by +2.9°C. Compared to the earliest station records that begin in 1750, warming totals +2.7°C.

3.6°4.4°5.3°6.1°7.0°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 Kotka?

Kotka's average annual daytime high is 7.6°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 19.9°C, and the coldest is February, with lows averaging -10.3°C.

What is the warmest month in Kotka?

July is the warmest month in Kotka, with typical daytime highs of 19.9°C.

What is the hottest year on record for Kotka?

2024 is the hottest year on record for Kotka, running +3.0°C above the 1951 to 1980 baseline.

Is Kotka getting hotter?

Yes. Since 1900, Kotka has warmed by roughly +2.9°C.

When is the best time to visit Kotka?

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.