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Monthly climate in Kuusamo, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kuusamo features a subarctic climate (Dfc). Temperatures typically range between -10 °C (14 °F) and 15 °C (59 °F) through the year, but rarely can drop to -28 °C (-17 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 746 mm (29.4 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually. Kuusamo enjoys an average of 2808 hours of sunshine throughout the year, and daylight varies from 3 hours 6 minutes to 23 hours 19 minutes per day.

Monthly average temperatures in Kuusamo, Finland

The warmest months in Kuusamo are June, July and August, with daily mean temperatures ranging from 12 to 15 °C (54 - 59 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -10 to -7 °C (14 - 20 °F) throughout the day. On average each year, Kuusamo experiences 3 days above 25 °C (77.0 °F) and 189 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kuusamo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum3°C
(38°F)		4°C
(39°F)		8°C
(46°F)		15°C
(60°F)		24°C
(76°F)		26°C
(79°F)		28°C
(82°F)		29°C
(84°F)		21°C
(70°F)		14°C
(58°F)		7°C
(44°F)		2°C
(36°F)
Mean maximum1°C
(33°F)		1°C
(34°F)		4°C
(40°F)		11°C
(52°F)		18°C
(64°F)		22°C
(73°F)		26°C
(79°F)		23°C
(73°F)		17°C
(63°F)		11°C
(52°F)		5°C
(41°F)		1°C
(34°F)
Average high-8°C
(19°F)		-8°C
(19°F)		-3°C
(28°F)		3°C
(37°F)		8°C
(47°F)		16°C
(61°F)		19°C
(66°F)		16°C
(60°F)		10°C
(50°F)		3°C
(38°F)		-1°C
(30°F)		-5°C
(23°F)
Daily mean-10°C
(14°F)		-10°C
(14°F)		-6°C
(21°F)		-1°C
(31°F)		5°C
(41°F)		12°C
(54°F)		15°C
(59°F)		12°C
(55°F)		7°C
(45°F)		2°C
(35°F)		-3°C
(27°F)		-7°C
(20°F)
Average low-12°C
(10°F)		-13°C
(9°F)		-10°C
(15°F)		-4°C
(25°F)		1°C
(33°F)		8°C
(47°F)		11°C
(52°F)		9°C
(49°F)		5°C
(41°F)		0°C
(32°F)		-5°C
(24°F)		-9°C
(17°F)
Mean minimum-24°C
(-10°F)		-22°C
(-7°F)		-20°C
(-4°F)		-11°C
(12°F)		-6°C
(21°F)		4°C
(39°F)		5°C
(41°F)		4°C
(39°F)		-1°C
(30°F)		-9°C
(16°F)		-15°C
(5°F)		-20°C
(-4°F)
Minimum-28°C
(-17°F)		-27°C
(-16°F)		-25°C
(-12°F)		-15°C
(6°F)		-7°C
(19°F)		-1°C
(31°F)		4°C
(40°F)		2°C
(36°F)		-4°C
(26°F)		-12°C
(11°F)		-20°C
(-3°F)		-22°C
(-8°F)

Compare climate in Kuusamo with other places

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

Monthly average precipitation in Kuusamo, Finland

Kuusamo usually has the most precipitation in June, August and October, with an average of 15 rainy days and 89 mm (3.5 inches) of precipitation per month. The driest months in Kuusamo are January, February and March. On average, 40 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kuusamo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)41 (1.6)36 (1.4)42 (1.6)42 (1.7)51 (2.0)86 (3.4)72 (2.8)99 (3.9)75 (2.9)82 (3.2)66 (2.6)54 (2.1)
Average precipitation days (≥ 1 mm)1281091013121713161515

Monthly sunshine hours in Kuusamo, Finland

The sunniest months in Kuusamo are May, June and July, when the sun shines an average of 14 hours 44 minutes a day. Least sunny months in Kuusamo: January, November and December receive an average of 0 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kuusamo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours2411625033442045847834823099406
Mean daily daylight hours4h 38m8h 12m11h 48m15h 27m19h 20m23h 19m20h 44m16h 40m13h 1m9h 26m5h 47m3h 6m

Solar UV radiation in Kuusamo, Finland

Kuusamo experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 5 - 6, 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 Kuusamo UV Index data.

Average daily maximum UV levels by month for Kuusamo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)112356643211