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Monthly climate in Uukuniemi, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Uukuniemi features a subarctic climate (Dfc). Temperatures typically range between -6 °C (21 °F) and 17 °C (63 °F) through the year, but rarely can drop to -30 °C (-21 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 781 mm (30.7 inches) and receives 154 rainy days on the 1 mm (0.04 inches) threshold annually. Uukuniemi enjoys an average of 3127 hours of sunshine throughout the year, and daylight varies from 5 hours 23 minutes to 19 hours 25 minutes per day.

Monthly average temperatures in Uukuniemi, Finland

The warmest months in Uukuniemi are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (60 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -4 °C (21 - 26 °F) throughout the day. On average each year, Uukuniemi experiences 11 days above 25 °C (77.0 °F) and 143 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Uukuniemi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		6°C
(42°F)		11°C
(52°F)		20°C
(69°F)		29°C
(84°F)		31°C
(88°F)		32°C
(90°F)		30°C
(86°F)		23°C
(73°F)		18°C
(65°F)		11°C
(52°F)		5°C
(41°F)
Mean maximum3°C
(38°F)		3°C
(38°F)		8°C
(47°F)		15°C
(59°F)		22°C
(72°F)		26°C
(78°F)		28°C
(83°F)		25°C
(78°F)		20°C
(68°F)		14°C
(58°F)		9°C
(48°F)		3°C
(37°F)
Average high-3°C
(26°F)		-4°C
(25°F)		1°C
(34°F)		7°C
(44°F)		13°C
(56°F)		20°C
(68°F)		21°C
(70°F)		19°C
(67°F)		14°C
(57°F)		8°C
(46°F)		3°C
(37°F)		-2°C
(29°F)
Daily mean-6°C
(22°F)		-6°C
(21°F)		-3°C
(28°F)		3°C
(37°F)		9°C
(48°F)		16°C
(60°F)		17°C
(63°F)		16°C
(60°F)		11°C
(51°F)		6°C
(42°F)		1°C
(34°F)		-4°C
(26°F)
Average low-8°C
(18°F)		-9°C
(16°F)		-6°C
(21°F)		-1°C
(30°F)		4°C
(40°F)		11°C
(52°F)		13°C
(56°F)		12°C
(54°F)		8°C
(46°F)		3°C
(39°F)		-0°C
(31°F)		-5°C
(23°F)
Mean minimum-23°C
(-9°F)		-21°C
(-6°F)		-18°C
(-1°F)		-9°C
(17°F)		-2°C
(29°F)		5°C
(41°F)		8°C
(46°F)		8°C
(46°F)		2°C
(36°F)		-3°C
(27°F)		-9°C
(17°F)		-13°C
(8°F)
Minimum-28°C
(-18°F)		-30°C
(-21°F)		-26°C
(-15°F)		-13°C
(8°F)		-3°C
(27°F)		2°C
(36°F)		6°C
(44°F)		7°C
(45°F)		0°C
(33°F)		-5°C
(22°F)		-12°C
(11°F)		-23°C
(-9°F)

Compare climate in Uukuniemi with other places

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

Monthly average precipitation in Uukuniemi, Finland

Uukuniemi usually has the most precipitation in July, August and December, with an average of 14 rainy days and 88 mm (3.4 inches) of precipitation per month. The driest months in Uukuniemi are January, March and April. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Uukuniemi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)49 (1.9)51 (2.0)49 (1.9)50 (2.0)55 (2.2)59 (2.3)83 (3.3)103 (4.0)77 (3.0)75 (3.0)53 (2.1)77 (3.0)
Average precipitation days (≥ 1 mm)121312121112131513131216

Monthly sunshine hours in Uukuniemi, Finland

The sunniest months in Uukuniemi are May, June and July, when the sun shines an average of 15 hours 17 minutes a day. Least sunny months in Uukuniemi: January, November and December receive an average of 1 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Uukuniemi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours321282463524334944793892791838324
Mean daily daylight hours6h 18m8h 54m11h 50m14h 50m17h 41m19h 25m18h 28m15h 47m12h 51m9h 54m7h 5m5h 23m

Solar UV radiation in Uukuniemi, Finland

Uukuniemi 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 Uukuniemi UV Index data.

Average daily maximum UV levels by month for Uukuniemi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)113456753211