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Monthly climate in Aschaffenburg, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Aschaffenburg features a oceanic climate (Cfb). Temperatures typically range between 2 °C (35 °F) and 20 °C (68 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 37 °C (100 °F). The average annual precipitation amounts to about 875 mm (34.4 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Aschaffenburg enjoys an average of 3326 hours of sunshine throughout the year, and daylight varies from 8 hours 8 minutes to 16 hours 16 minutes per day.

Monthly average temperatures in Aschaffenburg, Germany

The warmest months in Aschaffenburg are June, July and August, with daily mean temperatures ranging from 19 to 20 °C (66 - 68 °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, Aschaffenburg experiences 39 days above 25 °C (77.0 °F) and 52 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Aschaffenburg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(54°F)		18°C
(65°F)		22°C
(72°F)		26°C
(79°F)		31°C
(88°F)		34°C
(93°F)		37°C
(100°F)		35°C
(95°F)		31°C
(88°F)		25°C
(77°F)		20°C
(69°F)		14°C
(57°F)
Mean maximum11°C
(52°F)		14°C
(58°F)		18°C
(65°F)		24°C
(75°F)		27°C
(81°F)		29°C
(85°F)		32°C
(89°F)		32°C
(90°F)		28°C
(82°F)		22°C
(72°F)		17°C
(62°F)		12°C
(54°F)
Average high4°C
(39°F)		7°C
(44°F)		10°C
(51°F)		15°C
(59°F)		18°C
(65°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		20°C
(69°F)		15°C
(59°F)		8°C
(47°F)		5°C
(42°F)
Daily mean2°C
(35°F)		3°C
(38°F)		6°C
(43°F)		10°C
(50°F)		14°C
(57°F)		19°C
(66°F)		20°C
(67°F)		20°C
(68°F)		15°C
(60°F)		11°C
(52°F)		6°C
(42°F)		3°C
(38°F)
Average low-0°C
(32°F)		0°C
(33°F)		2°C
(36°F)		5°C
(41°F)		9°C
(48°F)		14°C
(57°F)		14°C
(58°F)		15°C
(59°F)		11°C
(52°F)		8°C
(46°F)		3°C
(38°F)		1°C
(35°F)
Mean minimum-6°C
(21°F)		-6°C
(21°F)		-4°C
(24°F)		-2°C
(28°F)		1°C
(35°F)		7°C
(45°F)		10°C
(50°F)		9°C
(49°F)		4°C
(40°F)		2°C
(36°F)		-2°C
(28°F)		-5°C
(24°F)
Minimum-14°C
(8°F)		-14°C
(7°F)		-11°C
(13°F)		-5°C
(24°F)		-0°C
(32°F)		6°C
(42°F)		8°C
(46°F)		6°C
(44°F)		3°C
(37°F)		0°C
(32°F)		-4°C
(26°F)		-7°C
(20°F)

Compare climate in Aschaffenburg with other places

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

Monthly average precipitation in Aschaffenburg, Germany

Aschaffenburg usually has the most precipitation in March, June and December, with an average of 14 rainy days and 97 mm (3.8 inches) of precipitation per month. The driest months in Aschaffenburg are April, September and November. On average, 49 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Aschaffenburg. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)75 (2.9)67 (2.6)88 (3.5)42 (1.6)85 (3.4)87 (3.4)75 (3.0)66 (2.6)50 (2.0)67 (2.7)56 (2.2)116 (4.6)
Average precipitation days (≥ 1 mm)1211147121212118131117

Monthly sunshine hours in Aschaffenburg, Germany

The sunniest months in Aschaffenburg are June, July and August, when the sun shines an average of 12 hours 48 minutes a day. Least sunny months in Aschaffenburg: January, November and December receive an average of 4 hours 15 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Aschaffenburg. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours103202265343379388410379316246167121
Mean daily daylight hours8h 36m10h 5m11h 55m13h 48m15h 26m16h 16m15h 49m14h 22m12h 33m10h 41m9h 1m8h 8m

Solar UV radiation in Aschaffenburg, Germany

Aschaffenburg experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 8 - 8, 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 Aschaffenburg UV Index data.

Average daily maximum UV levels by month for Aschaffenburg. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234588876421