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Monthly climate in Luumaeki, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Luumaeki features a humid continental climate (Dfb). Temperatures typically range between -5 °C (23 °F) and 18 °C (64 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 31 °C (89 °F). The average annual precipitation amounts to about 740 mm (29.1 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Luumaeki enjoys an average of 3099 hours of sunshine throughout the year, and daylight varies from 5 hours 42 minutes to 19 hours 2 minutes per day.

Monthly average temperatures in Luumaeki, Finland

The warmest months in Luumaeki are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -3 °C (23 - 28 °F) throughout the day. On average each year, Luumaeki experiences 12 days above 25 °C (77.0 °F) and 138 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Luumaeki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		7°C
(45°F)		11°C
(52°F)		19°C
(67°F)		28°C
(83°F)		31°C
(88°F)		31°C
(89°F)		30°C
(86°F)		23°C
(73°F)		18°C
(64°F)		11°C
(52°F)		6°C
(42°F)
Mean maximum4°C
(39°F)		4°C
(40°F)		9°C
(48°F)		15°C
(59°F)		23°C
(74°F)		26°C
(78°F)		28°C
(83°F)		25°C
(78°F)		20°C
(68°F)		15°C
(59°F)		9°C
(49°F)		4°C
(39°F)
Average high-2°C
(28°F)		-3°C
(27°F)		2°C
(35°F)		7°C
(45°F)		14°C
(58°F)		20°C
(69°F)		21°C
(71°F)		20°C
(68°F)		14°C
(58°F)		8°C
(47°F)		3°C
(39°F)		-1°C
(30°F)
Daily mean-4°C
(24°F)		-5°C
(23°F)		-2°C
(29°F)		3°C
(38°F)		10°C
(50°F)		16°C
(61°F)		18°C
(64°F)		16°C
(61°F)		11°C
(52°F)		6°C
(43°F)		2°C
(36°F)		-3°C
(28°F)
Average low-7°C
(20°F)		-8°C
(18°F)		-6°C
(22°F)		-1°C
(30°F)		5°C
(41°F)		11°C
(52°F)		13°C
(56°F)		12°C
(54°F)		8°C
(47°F)		4°C
(39°F)		0°C
(33°F)		-4°C
(25°F)
Mean minimum-20°C
(-4°F)		-19°C
(-2°F)		-17°C
(2°F)		-9°C
(17°F)		-2°C
(29°F)		5°C
(42°F)		8°C
(47°F)		8°C
(46°F)		2°C
(35°F)		-3°C
(27°F)		-7°C
(19°F)		-11°C
(12°F)
Minimum-25°C
(-14°F)		-27°C
(-16°F)		-25°C
(-13°F)		-14°C
(7°F)		-4°C
(26°F)		1°C
(35°F)		7°C
(45°F)		7°C
(44°F)		-1°C
(31°F)		-5°C
(24°F)		-10°C
(15°F)		-21°C
(-5°F)

Compare climate in Luumaeki with other places

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

Monthly average precipitation in Luumaeki, Finland

Luumaeki usually has the most precipitation in July, August and October, with an average of 13 rainy days and 81 mm (3.2 inches) of precipitation per month. The driest months in Luumaeki are January, March and April. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Luumaeki. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)49 (1.9)52 (2.1)46 (1.8)45 (1.8)56 (2.2)58 (2.3)83 (3.3)87 (3.4)65 (2.6)75 (2.9)50 (2.0)72 (2.8)
Average precipitation days (≥ 1 mm)121112111012121412151115

Monthly sunshine hours in Luumaeki, Finland

The sunniest months in Luumaeki are May, June and July, when the sun shines an average of 15 hours 5 minutes a day. Least sunny months in Luumaeki: January, November and December receive an average of 1 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Luumaeki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours361312443564344754773882661768227
Mean daily daylight hours6h 33m9h 1m11h 51m14h 43m17h 26m19h 2m18h 10m15h 38m12h 49m9h 59m7h 17m5h 42m

Solar UV radiation in Luumaeki, Finland

Luumaeki 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 Luumaeki UV Index data.

Average daily maximum UV levels by month for Luumaeki. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)113457753211