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Monthly climate in Kyyjaervi, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kyyjaervi features a subarctic climate (Dfc). Temperatures typically range between -7 °C (20 °F) and 16 °C (62 °F) through the year, but rarely can drop to -29 °C (-20 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 736 mm (29.0 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually. Kyyjaervi enjoys an average of 3036 hours of sunshine throughout the year, and daylight varies from 4 hours 52 minutes to 20 hours 4 minutes per day.

Monthly average temperatures in Kyyjaervi, Finland

The warmest months in Kyyjaervi are June, July and August, with daily mean temperatures ranging from 14 to 16 °C (58 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -7 to -4 °C (20 - 26 °F) throughout the day. On average each year, Kyyjaervi experiences 12 days above 25 °C (77.0 °F) and 165 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kyyjaervi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		6°C
(43°F)		11°C
(52°F)		20°C
(68°F)		27°C
(81°F)		31°C
(88°F)		31°C
(88°F)		31°C
(87°F)		23°C
(73°F)		20°C
(68°F)		11°C
(52°F)		5°C
(40°F)
Mean maximum3°C
(38°F)		4°C
(39°F)		8°C
(48°F)		14°C
(58°F)		24°C
(75°F)		26°C
(79°F)		28°C
(82°F)		26°C
(78°F)		20°C
(68°F)		14°C
(57°F)		8°C
(47°F)		3°C
(37°F)
Average high-4°C
(26°F)		-4°C
(25°F)		1°C
(34°F)		6°C
(43°F)		13°C
(56°F)		20°C
(67°F)		21°C
(70°F)		19°C
(66°F)		13°C
(55°F)		6°C
(44°F)		2°C
(36°F)		-2°C
(29°F)
Daily mean-6°C
(22°F)		-7°C
(20°F)		-3°C
(27°F)		2°C
(35°F)		8°C
(47°F)		15°C
(59°F)		16°C
(62°F)		14°C
(58°F)		9°C
(49°F)		4°C
(40°F)		0°C
(33°F)		-4°C
(26°F)
Average low-8°C
(17°F)		-10°C
(15°F)		-7°C
(20°F)		-3°C
(27°F)		3°C
(37°F)		9°C
(49°F)		11°C
(52°F)		10°C
(50°F)		6°C
(42°F)		2°C
(36°F)		-2°C
(29°F)		-6°C
(22°F)
Mean minimum-23°C
(-10°F)		-22°C
(-8°F)		-19°C
(-2°F)		-11°C
(12°F)		-4°C
(25°F)		4°C
(39°F)		5°C
(42°F)		4°C
(39°F)		-2°C
(29°F)		-8°C
(18°F)		-12°C
(11°F)		-15°C
(5°F)
Minimum-29°C
(-20°F)		-26°C
(-15°F)		-27°C
(-16°F)		-15°C
(5°F)		-6°C
(21°F)		-2°C
(28°F)		3°C
(37°F)		3°C
(38°F)		-5°C
(23°F)		-11°C
(12°F)		-17°C
(2°F)		-23°C
(-9°F)

Compare climate in Kyyjaervi with other places

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

Monthly average precipitation in Kyyjaervi, Finland

Kyyjaervi usually has the most precipitation in August, September and October, with an average of 14 rainy days and 84 mm (3.3 inches) of precipitation per month. The driest months in Kyyjaervi are January, February and March. On average, 42 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kyyjaervi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)42 (1.7)41 (1.6)41 (1.6)46 (1.8)64 (2.5)61 (2.4)72 (2.8)92 (3.6)78 (3.1)82 (3.2)64 (2.5)54 (2.1)
Average precipitation days (≥ 1 mm)12912111110131415151313

Monthly sunshine hours in Kyyjaervi, Finland

The sunniest months in Kyyjaervi are May, June and July, when the sun shines an average of 15 hours 3 minutes a day. Least sunny months in Kyyjaervi: January, November and December receive an average of 1 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kyyjaervi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours321352613394234944663912411546630
Mean daily daylight hours5h 54m8h 43m11h 50m15h 0m18h 5m20h 4m18h 58m16h 1m12h 53m9h 46m6h 45m4h 52m

Solar UV radiation in Kyyjaervi, Finland

Kyyjaervi experiences the highest level of ultraviolet (UV) radiation in June, July and August, 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 Kyyjaervi UV Index data.

Average daily maximum UV levels by month for Kyyjaervi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)113456653211