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Monthly climate in Kolari, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kolari features a subarctic climate (Dfc). Temperatures typically range between -11 °C (12 °F) and 16 °C (61 °F) through the year, but rarely can drop to -34 °C (-29 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 709 mm (27.9 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. Kolari enjoys an average of 2981 hours of sunshine throughout the year, and daylight varies from 5 hours 11 minutes to 24 hours 0 minutes per day.

Monthly average temperatures in Kolari, Finland

The warmest months in Kolari are June, July and August, with daily mean temperatures ranging from 13 to 16 °C (55 - 61 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -11 to -8 °C (12 - 17 °F) throughout the day. On average each year, Kolari experiences 7 days above 25 °C (77.0 °F) and 195 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kolari. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum5°C
(41°F)		7°C
(45°F)		9°C
(48°F)		21°C
(71°F)		26°C
(78°F)		28°C
(83°F)		31°C
(89°F)		30°C
(87°F)		21°C
(71°F)		13°C
(55°F)		7°C
(46°F)		3°C
(38°F)
Mean maximum2°C
(36°F)		4°C
(39°F)		6°C
(43°F)		12°C
(55°F)		21°C
(70°F)		24°C
(76°F)		28°C
(83°F)		24°C
(76°F)		18°C
(65°F)		10°C
(51°F)		5°C
(40°F)		2°C
(35°F)
Average high-8°C
(18°F)		-8°C
(18°F)		-2°C
(29°F)		4°C
(40°F)		10°C
(51°F)		17°C
(63°F)		20°C
(68°F)		17°C
(62°F)		11°C
(52°F)		3°C
(38°F)		-2°C
(28°F)		-6°C
(22°F)
Daily mean-11°C
(12°F)		-11°C
(13°F)		-6°C
(22°F)		0°C
(32°F)		6°C
(44°F)		13°C
(56°F)		16°C
(61°F)		13°C
(55°F)		7°C
(46°F)		1°C
(34°F)		-5°C
(24°F)		-8°C
(17°F)
Average low-14°C
(6°F)		-14°C
(6°F)		-10°C
(15°F)		-5°C
(24°F)		1°C
(35°F)		8°C
(46°F)		11°C
(51°F)		9°C
(48°F)		4°C
(39°F)		-2°C
(29°F)		-7°C
(19°F)		-11°C
(12°F)
Mean minimum-29°C
(-20°F)		-26°C
(-15°F)		-21°C
(-5°F)		-14°C
(7°F)		-6°C
(22°F)		4°C
(39°F)		4°C
(39°F)		0°C
(33°F)		-3°C
(26°F)		-13°C
(9°F)		-18°C
(1°F)		-24°C
(-11°F)
Minimum-34°C
(-29°F)		-32°C
(-25°F)		-27°C
(-17°F)		-17°C
(2°F)		-8°C
(18°F)		0°C
(32°F)		1°C
(35°F)		-1°C
(31°F)		-8°C
(18°F)		-22°C
(-7°F)		-23°C
(-8°F)		-29°C
(-20°F)

Compare climate in Kolari with other places

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

Monthly average precipitation in Kolari, Finland

Kolari usually has the most precipitation in July, August and October, with an average of 13 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in Kolari are January, February and April. On average, 34 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kolari. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)36 (1.4)33 (1.3)37 (1.5)33 (1.3)49 (1.9)74 (2.9)81 (3.2)92 (3.6)67 (2.6)91 (3.6)59 (2.3)56 (2.2)
Average precipitation days (≥ 1 mm)1081081011101511151314

Monthly sunshine hours in Kolari, Finland

The sunniest months in Kolari are May, June and July, when the sun shines an average of 15 hours 7 minutes a day. Least sunny months in Kolari: January, November and December receive an average of 0 hours 56 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kolari. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours22134277353435478477374251109622
Mean daily daylight hours8h 43m7h 55m11h 47m15h 42m20h 20m24h 0m22h 7m17h 3m13h 5m9h 15m5h 11m9h 14m

Solar UV radiation in Kolari, Finland

Kolari experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 4 - 5, which corresponds to the Moderate category of sun exposure. January, February and October 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 Kolari UV Index data.

Average daily maximum UV levels by month for Kolari. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112345543111