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Monthly climate in Alerheim, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Alerheim features a oceanic climate (Cfb). Temperatures typically range between 0 °C (33 °F) and 19 °C (66 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 871 mm (34.3 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Alerheim enjoys an average of 3376 hours of sunshine throughout the year, and daylight varies from 8 hours 18 minutes to 16 hours 5 minutes per day.

Monthly average temperatures in Alerheim, Germany

The warmest months in Alerheim 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 0 to 3 °C (33 - 37 °F) throughout the day. On average each year, Alerheim experiences 37 days above 25 °C (77.0 °F) and 74 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Alerheim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		18°C
(65°F)		21°C
(70°F)		26°C
(80°F)		30°C
(86°F)		34°C
(94°F)		35°C
(95°F)		33°C
(92°F)		29°C
(84°F)		24°C
(75°F)		19°C
(67°F)		13°C
(56°F)
Mean maximum10°C
(50°F)		15°C
(59°F)		18°C
(65°F)		23°C
(74°F)		27°C
(80°F)		29°C
(84°F)		31°C
(88°F)		32°C
(89°F)		26°C
(80°F)		22°C
(72°F)		16°C
(61°F)		12°C
(53°F)
Average high3°C
(37°F)		6°C
(43°F)		10°C
(50°F)		14°C
(58°F)		18°C
(64°F)		23°C
(74°F)		24°C
(76°F)		24°C
(76°F)		20°C
(68°F)		14°C
(58°F)		7°C
(45°F)		4°C
(40°F)
Daily mean0°C
(33°F)		3°C
(37°F)		5°C
(41°F)		9°C
(49°F)		13°C
(55°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		14°C
(58°F)		10°C
(50°F)		4°C
(40°F)		2°C
(36°F)
Average low-2°C
(29°F)		-1°C
(31°F)		1°C
(34°F)		4°C
(39°F)		8°C
(47°F)		13°C
(56°F)		14°C
(57°F)		14°C
(57°F)		10°C
(50°F)		6°C
(44°F)		2°C
(36°F)		-0°C
(32°F)
Mean minimum-8°C
(18°F)		-8°C
(17°F)		-5°C
(23°F)		-3°C
(26°F)		2°C
(35°F)		6°C
(44°F)		9°C
(48°F)		9°C
(48°F)		4°C
(39°F)		0°C
(33°F)		-3°C
(27°F)		-6°C
(21°F)
Minimum-16°C
(3°F)		-18°C
(-0°F)		-14°C
(8°F)		-9°C
(16°F)		-1°C
(30°F)		5°C
(42°F)		7°C
(44°F)		7°C
(45°F)		2°C
(36°F)		-2°C
(30°F)		-4°C
(26°F)		-8°C
(18°F)

Compare climate in Alerheim with other places

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

Monthly average precipitation in Alerheim, Germany

Alerheim usually has the most precipitation in May, June and August, with an average of 14 rainy days and 106 mm (4.2 inches) of precipitation per month. The driest months in Alerheim are April, September and November. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alerheim. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.5)61 (2.4)61 (2.4)35 (1.4)104 (4.1)110 (4.3)85 (3.3)103 (4.0)53 (2.1)60 (2.4)46 (1.8)91 (3.6)
Average precipitation days (≥ 1 mm)11101271513121410111017

Monthly sunshine hours in Alerheim, Germany

The sunniest months in Alerheim are June, July and August, when the sun shines an average of 12 hours 46 minutes a day. Least sunny months in Alerheim: January, November and December receive an average of 4 hours 51 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alerheim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours120208279340367387408378306252187139
Mean daily daylight hours8h 45m10h 9m11h 55m13h 43m15h 17m16h 5m15h 40m14h 16m12h 32m10h 44m9h 9m8h 18m

Solar UV radiation in Alerheim, Germany

Alerheim experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure. January, November 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 Alerheim UV Index data.

Average daily maximum UV levels by month for Alerheim. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)235689986421