nomadseason

Monthly climate in Kotka, Kymenlaakso, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kotka features a humid continental climate (Dfb).Temperatures typically range between -4 °C (25 °F) and 18 °C (64 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 761 mm (30.0 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Kotka enjoys an average of 3299 hours of sunshine throughout the year, and daylight varies from 5 hours 51 minutes to 18 hours 51 minutes per day.

Monthly average temperatures in Kotka, Kymenlaakso, Finland §

The warmest months in Kotka are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from -4 to -1 °C (25 - 30 °F) throughout the day. On average each year, Kotka experiences 9 days above 25 °C (77.0 °F) and 115 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kotka, Kymenlaakso, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 7°C
(45°F)		 7°C
(45°F)		 9°C
(48°F)		 19°C
(66°F)		 25°C
(77°F)		 29°C
(84°F)		 30°C
(86°F)		 29°C
(85°F)		 22°C
(71°F)		 16°C
(61°F)		 12°C
(53°F)		 6°C
(44°F)
Mean maximum 4°C
(39°F)		 4°C
(40°F)		 7°C
(45°F)		 13°C
(56°F)		 20°C
(69°F)		 23°C
(74°F)		 27°C
(81°F)		 24°C
(76°F)		 20°C
(68°F)		 14°C
(58°F)		 10°C
(50°F)		 5°C
(41°F)
Average high -1°C
(31°F)		 -2°C
(29°F)		 2°C
(35°F)		 7°C
(45°F)		 13°C
(56°F)		 19°C
(67°F)		 21°C
(70°F)		 19°C
(67°F)		 15°C
(59°F)		 9°C
(48°F)		 5°C
(41°F)		 0°C
(33°F)
Daily mean -3°C
(27°F)		 -4°C
(25°F)		 -1°C
(30°F)		 4°C
(39°F)		 10°C
(50°F)		 16°C
(61°F)		 18°C
(64°F)		 17°C
(62°F)		 12°C
(54°F)		 7°C
(45°F)		 3°C
(38°F)		 -1°C
(30°F)
Average low -5°C
(23°F)		 -6°C
(21°F)		 -5°C
(24°F)		 0°C
(33°F)		 6°C
(42°F)		 12°C
(54°F)		 14°C
(58°F)		 13°C
(56°F)		 10°C
(49°F)		 5°C
(42°F)		 2°C
(35°F)		 -3°C
(28°F)
Mean minimum -18°C
(1°F)		 -16°C
(3°F)		 -15°C
(6°F)		 -6°C
(21°F)		 -1°C
(31°F)		 6°C
(44°F)		 10°C
(50°F)		 9°C
(48°F)		 3°C
(39°F)		 -2°C
(29°F)		 -5°C
(23°F)		 -9°C
(16°F)
Minimum -23°C
(-10°F)		 -26°C
(-15°F)		 -22°C
(-7°F)		 -12°C
(11°F)		 -3°C
(27°F)		 3°C
(37°F)		 8°C
(46°F)		 8°C
(46°F)		 0°C
(33°F)		 -3°C
(26°F)		 -8°C
(18°F)		 -18°C
(0°F)

Compare climate in Kotka with other places

Compare temperature, precipitation, sunshine, UV index in Kotka, Kymenlaakso, Finland with other places around the world.

Monthly average precipitation in Kotka, Kymenlaakso, Finland §

Kotka usually has the most precipitation in August, October and December, with an average of 14 rainy days and 85 mm (3.4 inches) of precipitation per month.The driest months in Kotka are April, May and June. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kotka, Kymenlaakso, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 55 (2.2) 55 (2.2) 49 (1.9) 43 (1.7) 48 (1.9) 48 (1.9) 75 (3.0) 88 (3.5) 66 (2.6) 86 (3.4) 66 (2.6) 81 (3.2)
Average precipitation days (≥ 1 mm) 12 11 11 10 9 10 10 13 13 15 14 16

Monthly sunshine hours in Kotka, Kymenlaakso, Finland §

The sunniest months in Kotka are May, June and July, when the sun shines an average of 15 hours 32 minutes a day.Least sunny months in Kotka: January, November and December receive an average of 2 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kotka, Kymenlaakso, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 47 139 260 363 451 489 489 410 295 199 107 45
Mean daily daylight hours 6h 41m 9h 5m 11h 51m 14h 40m 17h 18m 18h 51m 18h 1m 15h 34m 12h 48m 10h 1m 7h 23m 5h 51m

Solar UV radiation in Kotka, Kymenlaakso, Finland §

Kotka experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 7, which corresponds to the Moderate / High category of sun exposure.January, February and November are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Kotka UV Index data.

Average daily maximum UV levels by month for Kotka, Kymenlaakso, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 1 3 4 5 7 7 5 4 2 1 1