Kotka Climate by Month
Kotka, Kymenlaakso, Finland
Mild summers and freezing winters, with rain spread through the year.
Mild summers and freezing winters, with rain spread through the year: that's Kotka's climate in short. Expect highs of 72°F (22°C) in July and 28°F (-2°C) in February, with the coldest nights (February) near 17°F (-8°C). About 24 in (621 mm) of rain falls in a typical year, with no clear rainy season. The air is humid, averaging 79% relative humidity.
- Warmest month
- 72°F(22°C)
- Average high, July
- Coldest nights
- 17°F(-8°C)
- Average low, February
- Rain per year
- 24 in(621 mm)
- No clear rainy season
- Humidity
- 79%
- Sunniest: June
Best and worst months in Kotka
Best for weatherJuly is the best time for weather in Kotka: highs near 72°F (22°C) and about 2.2 in (57 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; February is the coldest, with highs of only 28°F (-2°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Kotka weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 28°F(-2°C) | 19°F(-7°C) | 1.7 in(42 mm) | 92% | 0.3 |
| FebFebruary | 28°F(-2°C) | 17°F(-8°C) | 1.6 in(40 mm) | 97% | 0.9 |
| MarMarch | 34°F(1°C) | 22°F(-6°C) | 1.5 in(37 mm) | 77% | 2.2 |
| AprApril | 45°F(7°C) | 32°F(0°C) | 1.3 in(32 mm) | 76% | 3.6 |
| MayMay | 58°F(14°C) | 42°F(5°C) | 1.5 in(38 mm) | 66% | 5.1 |
| JunJune | 67°F(19°C) | 51°F(11°C) | 2.4 in(60 mm) | 70% | 5.6 |
| JulJulyBest | 72°F(22°C) | 57°F(14°C) | 2.2 in(57 mm) | 73% | 5.5 |
| AugAugust | 69°F(20°C) | 55°F(13°C) | 2.6 in(67 mm) | 74% | 4.2 |
| SepSeptember | 59°F(15°C) | 47°F(9°C) | 2.2 in(55 mm) | 79% | 2.4 |
| OctOctober | 48°F(9°C) | 39°F(4°C) | 2.8 in(72 mm) | 83% | 1.0 |
| NovNovember | 39°F(4°C) | 32°F(0°C) | 2.5 in(63 mm) | 86% | 0.3 |
| DecDecember | 33°F(1°C) | 25°F(-4°C) | 2.3 in(58 mm) | 74% | 0.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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