Kotka, Finland Climate
Finland
Pop. 50,157 Elev. 1 m / 3 ft
TZ: Europe/Helsinki (UTC+3) ·
Kotka is largely arid, with warm summers peaking at 74°F (23°C) in July and cold winters around 23°F (-5°C) in February. Precipitation occurs on roughly 45 days per year (28.4 in / 720 mm total), with snow on 6 days and 41 in (1035 mm) of annual accumulation. Overcast skies are common, with only 54 sunny days per year. Ocean water temperatures reach 76°F (24°C) in summer.
| Temperature | 23°C (74°F) high | -5°C (23°F) low |
| Feels like | -5°C (23°F) low | |
| Rain | 45 days | 720 mm (28.4 in) /yr |
| Snow | 6 days | 1035 mm (40.7 in) /yr |
| Sky | 54 sunny | 14 stormy |
| Wind | 1.5 m/s (3.3 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jul, Sep
Sky & Air by Month
Cloud cover (%)
87
Jan 84
Feb 69
Mar 62
Apr 60
May 72
Jun 48
Jul 66
Aug 68
Sep 78
Oct 89
Nov 82
Dec Humidity (%)
89
Jan 83
Feb 77
Mar 68
Apr 70
May 77
Jun 73
Jul 79
Aug 83
Sep 85
Oct 90
Nov 87
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 92 km Lappeenranta Airport (LPP)
Ski resort 19 km Uuperinrinteet
National park 19 km Itäisen Suomenlahden kansallispuisto
Hospital 2 km Kymenlaakson keskussairaala
Hiking trail 18 km Portimon Polku
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 1°C 34°F | -3°C 26°F | 25 mm 1.0 in | 539 mm21.2 in | 2 |
| February | -1°C 29°F | -5°C 23°F | 2 mm 0.1 in | 125 mm4.9 in | 1 |
| March | 4°C 40°F | -1°C 30°F | 14 mm 0.5 in | 130 mm5.1 in | 5 |
| April | 8°C 47°F | 1°C 35°F | 30 mm 1.2 in | 81 mm3.2 in | 7 |
| May | 12°C 54°F | 5°C 42°F | 62 mm 2.5 in | 1 mm0.0 in | 7 |
| June | 17°C 62°F | 11°C 51°F | 161 mm 6.3 in | — | 5 |
| July | 23°C 74°F | 16°C 60°F | 75 mm 3.0 in | — | 13 |
| August | 19°C 66°F | 12°C 54°F | 122 mm 4.8 in | — | 4 |
| September | 17°C 63°F | 11°C 52°F | 59 mm 2.3 in | — | 4 |
| October | 9°C 49°F | 6°C 42°F | 63 mm 2.5 in | — | 2 |
| November | 6°C 42°F | 2°C 36°F | 58 mm 2.3 in | 44 mm1.7 in | 1 |
| December | 3°C 37°F | 0°C 31°F | 48 mm 1.9 in | 115 mm4.5 in | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 2 | 0 |
| February | 1 | 0 |
| March | 5 | 0 |
| April | 7 | 0 |
| May | 7 | 0 |
| June | 5 | 4 |
| July | 13 | 3 |
| August | 4 | 6 |
| September | 4 | 0 |
| October | 2 | 0 |
| November | 1 | 1 |
| December | 3 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 3°C 38°F | 0°C 33°F |
| February | 1°C 34°F | 0°C 32°F |
| March | 2°C 36°F | 1°C 33°F |
| April | 5°C 40°F | 5°C 41°F |
| May | 11°C 51°F | 9°C 49°F |
| June | 14°C 57°F | 14°C 58°F |
| July | 24°C 76°F | 20°C 67°F |
| August | 23°C 73°F | 17°C 63°F |
| September | 18°C 65°F | 15°C 58°F |
| October | 13°C 56°F | 8°C 46°F |
| November | 9°C 49°F | 5°C 41°F |
| December | 6°C 43°F | 2°C 36°F |