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Monthly climate in Leun, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Leun features a oceanic climate (Cfb). Temperatures typically range between 2 °C (35 °F) and 19 °C (66 °F) through the year, but rarely can drop to -13 °C (10 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 814 mm (32.0 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. Leun enjoys an average of 3315 hours of sunshine throughout the year, and daylight varies from 8 hours 4 minutes to 16 hours 20 minutes per day.

Monthly average temperatures in Leun, Germany

The warmest months in Leun are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (65 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 3 °C (35 - 38 °F) throughout the day. On average each year, Leun experiences 29 days above 25 °C (77.0 °F) and 56 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Leun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(54°F)		19°C
(66°F)		21°C
(71°F)		26°C
(79°F)		31°C
(88°F)		33°C
(91°F)		37°C
(99°F)		34°C
(93°F)		32°C
(90°F)		25°C
(77°F)		20°C
(68°F)		14°C
(57°F)
Mean maximum11°C
(51°F)		14°C
(57°F)		18°C
(64°F)		23°C
(73°F)		26°C
(80°F)		28°C
(83°F)		31°C
(88°F)		31°C
(88°F)		28°C
(83°F)		21°C
(70°F)		16°C
(61°F)		12°C
(55°F)
Average high4°C
(39°F)		6°C
(43°F)		10°C
(50°F)		14°C
(57°F)		17°C
(64°F)		23°C
(73°F)		23°C
(74°F)		24°C
(75°F)		19°C
(67°F)		14°C
(57°F)		8°C
(46°F)		5°C
(41°F)
Daily mean2°C
(35°F)		3°C
(38°F)		6°C
(42°F)		9°C
(49°F)		13°C
(55°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		15°C
(58°F)		10°C
(51°F)		5°C
(42°F)		3°C
(38°F)
Average low-0°C
(32°F)		0°C
(33°F)		2°C
(35°F)		4°C
(40°F)		8°C
(47°F)		13°C
(56°F)		14°C
(57°F)		14°C
(58°F)		10°C
(50°F)		7°C
(45°F)		3°C
(38°F)		1°C
(35°F)
Mean minimum-6°C
(21°F)		-6°C
(21°F)		-5°C
(24°F)		-2°C
(28°F)		1°C
(34°F)		7°C
(45°F)		9°C
(48°F)		9°C
(48°F)		4°C
(40°F)		1°C
(34°F)		-2°C
(28°F)		-5°C
(24°F)
Minimum-12°C
(10°F)		-13°C
(10°F)		-12°C
(10°F)		-4°C
(24°F)		-1°C
(31°F)		6°C
(44°F)		7°C
(45°F)		7°C
(45°F)		3°C
(37°F)		-1°C
(30°F)		-4°C
(25°F)		-7°C
(20°F)

Compare climate in Leun with other places

Compare temperature, precipitation, sunshine, UV index in Leun, Germany with other places around the world.

Monthly average precipitation in Leun, Germany

Leun usually has the most precipitation in May, June and December, with an average of 13 rainy days and 86 mm (3.4 inches) of precipitation per month. The driest months in Leun are April, September and November. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Leun. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)69 (2.7)63 (2.5)76 (3.0)39 (1.5)78 (3.1)78 (3.1)75 (3.0)75 (3.0)50 (2.0)61 (2.4)48 (1.9)102 (4.0)
Average precipitation days (≥ 1 mm)1212148121111149121118

Monthly sunshine hours in Leun, Germany

The sunniest months in Leun are May, June and July, when the sun shines an average of 12 hours 56 minutes a day. Least sunny months in Leun: January, November and December receive an average of 4 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Leun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours100198264342384393412384320236165112
Mean daily daylight hours8h 33m10h 3m11h 55m13h 49m15h 29m16h 20m15h 53m14h 24m12h 33m10h 40m8h 58m8h 4m

Solar UV radiation in Leun, Germany

Leun experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 7 - 8, which corresponds to the High / Very High category of sun exposure. January, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Leun UV Index data.

Average daily maximum UV levels by month for Leun. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)224578875421