Helsinki vs Kotka Climate
97%matchHelsinki and Kotka are a 97% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Helsinki gets 25 in (630 mm) of rain a year and Kotka 24 in (621 mm). July is the warmest month in both, with highs of 71°F (21°C) in Helsinki and 72°F (22°C) in Kotka.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
HelsinkiKotkasolid = high, dashed = low
Rain (in per month)
HelsinkiKotka
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Helsinki | Kotka | Helsinki | Kotka | Helsinki | Kotka | |
| Jan | 30°F(-1°C) | 28°F(-2°C) | 22°F(-6°C) | 19°F(-7°C) | 1.8 in(45 mm) | 1.7 in(42 mm) |
| Feb | 29°F(-1°C) | 28°F(-2°C) | 20°F(-7°C) | 17°F(-8°C) | 1.5 in(37 mm) | 1.6 in(40 mm) |
| Mar | 35°F(2°C) | 34°F(1°C) | 24°F(-4°C) | 22°F(-6°C) | 1.4 in(36 mm) | 1.5 in(37 mm) |
| Apr | 46°F(8°C) | 45°F(7°C) | 33°F(1°C) | 32°F(0°C) | 1.3 in(34 mm) | 1.3 in(32 mm) |
| May | 58°F(14°C) | 58°F(14°C) | 43°F(6°C) | 42°F(5°C) | 1.4 in(35 mm) | 1.5 in(38 mm) |
| Jun | 66°F(19°C) | 67°F(19°C) | 52°F(11°C) | 51°F(11°C) | 2.4 in(61 mm) | 2.4 in(60 mm) |
| Jul | 71°F(21°C) | 72°F(22°C) | 57°F(14°C) | 57°F(14°C) | 2.4 in(62 mm) | 2.2 in(57 mm) |
| Aug | 68°F(20°C) | 69°F(20°C) | 55°F(13°C) | 55°F(13°C) | 2.7 in(68 mm) | 2.6 in(67 mm) |
| Sep | 59°F(15°C) | 59°F(15°C) | 48°F(9°C) | 47°F(9°C) | 2.2 in(55 mm) | 2.2 in(55 mm) |
| Oct | 48°F(9°C) | 48°F(9°C) | 39°F(4°C) | 39°F(4°C) | 3.0 in(75 mm) | 2.8 in(72 mm) |
| Nov | 40°F(4°C) | 39°F(4°C) | 32°F(0°C) | 32°F(0°C) | 2.6 in(65 mm) | 2.5 in(63 mm) |
| Dec | 34°F(1°C) | 33°F(1°C) | 26°F(-3°C) | 25°F(-4°C) | 2.2 in(57 mm) | 2.3 in(58 mm) |
1991–2020 averages, by calendar month.