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Monthly climate in Lemi, Finland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Lemi features a subarctic climate (Dfc). 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 738 mm (29.1 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually. Lemi enjoys an average of 3099 hours of sunshine throughout the year, and daylight varies from 5 hours 39 minutes to 19 hours 6 minutes per day.

Monthly average temperatures in Lemi, Finland

The warmest months in Lemi 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, Lemi experiences 12 days above 25 °C (77.0 °F) and 136 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Lemi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		7°C
(44°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)		22°C
(73°F)		18°C
(64°F)		11°C
(52°F)		5°C
(42°F)
Mean maximum4°C
(39°F)		4°C
(39°F)		8°C
(47°F)		15°C
(59°F)		23°C
(73°F)		25°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)		1°C
(35°F)		7°C
(45°F)		14°C
(57°F)		20°C
(69°F)		22°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
(31°F)		5°C
(41°F)		11°C
(53°F)		13°C
(56°F)		12°C
(54°F)		8°C
(47°F)		4°C
(40°F)		0°C
(33°F)		-4°C
(25°F)
Mean minimum-20°C
(-4°F)		-19°C
(-1°F)		-17°C
(2°F)		-9°C
(17°F)		-2°C
(29°F)		5°C
(42°F)		9°C
(48°F)		8°C
(47°F)		2°C
(36°F)		-3°C
(27°F)		-7°C
(20°F)		-11°C
(13°F)
Minimum-25°C
(-13°F)		-27°C
(-16°F)		-25°C
(-12°F)		-14°C
(7°F)		-3°C
(26°F)		2°C
(35°F)		8°C
(46°F)		7°C
(45°F)		-0°C
(32°F)		-4°C
(24°F)		-9°C
(16°F)		-21°C
(-5°F)

Compare climate in Lemi with other places

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

Monthly average precipitation in Lemi, Finland

Lemi usually has the most precipitation in July, August and October, with an average of 14 rainy days and 81 mm (3.2 inches) of precipitation per month. The driest months in Lemi 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 Lemi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)49 (1.9)53 (2.1)47 (1.8)45 (1.8)56 (2.2)57 (2.3)81 (3.2)88 (3.5)66 (2.6)75 (3.0)50 (2.0)72 (2.8)
Average precipitation days (≥ 1 mm)121112111112131512151115

Monthly sunshine hours in Lemi, Finland

The sunniest months in Lemi are May, June and July, when the sun shines an average of 15 hours 5 minutes a day. Least sunny months in Lemi: 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 Lemi. 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 31m9h 0m11h 51m14h 44m17h 28m19h 6m18h 13m15h 40m12h 49m9h 58m7h 15m5h 39m

Solar UV radiation in Lemi, Finland

Lemi 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 Lemi UV Index data.

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