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Monthly climate in Lappajaervi, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lappajaervi features a subarctic climate (Dfc). Temperatures typically range between -6 °C (21 °F) and 17 °C (62 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 706 mm (27.8 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Lappajaervi enjoys an average of 3158 hours of sunshine throughout the year, and daylight varies from 4 hours 48 minutes to 20 hours 9 minutes per day.

Monthly average temperatures in Lappajaervi, Finland

The warmest months in Lappajaervi are June, July and August, with daily mean temperatures ranging from 15 to 17 °C (59 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -3 °C (21 - 26 °F) throughout the day. On average each year, Lappajaervi experiences 13 days above 25 °C (77.0 °F) and 160 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lappajaervi. 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)		10°C
(50°F)		21°C
(70°F)		28°C
(82°F)		31°C
(89°F)		31°C
(88°F)		31°C
(88°F)		23°C
(73°F)		20°C
(68°F)		11°C
(52°F)		5°C
(41°F)
Mean maximum4°C
(39°F)		4°C
(40°F)		8°C
(47°F)		15°C
(59°F)		24°C
(75°F)		26°C
(80°F)		28°C
(83°F)		26°C
(79°F)		20°C
(68°F)		14°C
(58°F)		8°C
(47°F)		3°C
(38°F)
Average high-3°C
(27°F)		-3°C
(26°F)		1°C
(35°F)		7°C
(44°F)		13°C
(56°F)		20°C
(68°F)		21°C
(70°F)		19°C
(66°F)		13°C
(56°F)		7°C
(45°F)		2°C
(36°F)		-2°C
(29°F)
Daily mean-5°C
(23°F)		-6°C
(21°F)		-3°C
(28°F)		2°C
(36°F)		9°C
(48°F)		15°C
(60°F)		17°C
(62°F)		15°C
(59°F)		10°C
(50°F)		5°C
(40°F)		0°C
(33°F)		-3°C
(26°F)
Average low-8°C
(18°F)		-9°C
(16°F)		-7°C
(20°F)		-2°C
(28°F)		3°C
(38°F)		10°C
(49°F)		11°C
(53°F)		10°C
(50°F)		6°C
(43°F)		2°C
(36°F)		-1°C
(30°F)		-5°C
(23°F)
Mean minimum-22°C
(-7°F)		-22°C
(-7°F)		-19°C
(-2°F)		-10°C
(13°F)		-4°C
(26°F)		4°C
(39°F)		5°C
(42°F)		4°C
(39°F)		-1°C
(31°F)		-7°C
(19°F)		-11°C
(13°F)		-15°C
(6°F)
Minimum-27°C
(-17°F)		-26°C
(-14°F)		-27°C
(-16°F)		-15°C
(5°F)		-5°C
(23°F)		-1°C
(30°F)		3°C
(38°F)		3°C
(37°F)		-4°C
(25°F)		-12°C
(11°F)		-16°C
(3°F)		-23°C
(-9°F)

Compare climate in Lappajaervi with other places

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

Monthly average precipitation in Lappajaervi, Finland

Lappajaervi usually has the most precipitation in August, September and October, with an average of 14 rainy days and 83 mm (3.3 inches) of precipitation per month. The driest months in Lappajaervi 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 Lappajaervi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)38 (1.5)40 (1.6)41 (1.6)45 (1.8)62 (2.4)56 (2.2)66 (2.6)92 (3.6)72 (2.8)86 (3.4)59 (2.3)48 (1.9)
Average precipitation days (≥ 1 mm)10811101010121514151213

Monthly sunshine hours in Lappajaervi, Finland

The sunniest months in Lappajaervi are May, June and July, when the sun shines an average of 15 hours 25 minutes a day. Least sunny months in Lappajaervi: January, November and December receive an average of 1 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Lappajaervi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours351402643524375014794022601668135
Mean daily daylight hours5h 51m8h 42m11h 50m15h 1m18h 7m20h 9m19h 1m16h 2m12h 54m9h 46m6h 43m4h 48m

Solar UV radiation in Lappajaervi, Finland

Lappajaervi 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 Lappajaervi UV Index data.

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