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Monthly climate in Heimbach, Germany

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Heimbach features a oceanic climate (Cfb). Temperatures typically range between 3 °C (38 °F) and 19 °C (66 °F) through the year, but rarely can drop to -10 °C (13 °F) or can rise to as high as 40 °C (104 °F). The average annual precipitation amounts to about 858 mm (33.8 inches) and receives 151 rainy days on the 1 mm (0.04 inches) threshold annually. Heimbach enjoys an average of 3344 hours of sunshine throughout the year, and daylight varies from 8 hours 0 minutes to 16 hours 24 minutes per day.

Monthly average temperatures in Heimbach, Germany

The warmest months in Heimbach 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 3 to 5 °C (38 - 41 °F) throughout the day. On average each year, Heimbach experiences 28 days above 25 °C (77.0 °F) and 34 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heimbach. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(57°F)		21°C
(70°F)		23°C
(73°F)		26°C
(80°F)		32°C
(89°F)		34°C
(93°F)		40°C
(104°F)		36°C
(97°F)		33°C
(92°F)		26°C
(79°F)		19°C
(67°F)		15°C
(59°F)
Mean maximum11°C
(53°F)		16°C
(60°F)		18°C
(65°F)		23°C
(75°F)		27°C
(81°F)		29°C
(84°F)		32°C
(89°F)		32°C
(90°F)		28°C
(83°F)		23°C
(73°F)		17°C
(62°F)		14°C
(57°F)
Average high5°C
(41°F)		7°C
(46°F)		10°C
(51°F)		14°C
(58°F)		18°C
(64°F)		23°C
(73°F)		23°C
(74°F)		23°C
(74°F)		20°C
(68°F)		15°C
(59°F)		9°C
(49°F)		7°C
(44°F)
Daily mean3°C
(38°F)		5°C
(40°F)		7°C
(44°F)		10°C
(49°F)		13°C
(56°F)		18°C
(65°F)		19°C
(66°F)		19°C
(66°F)		15°C
(59°F)		12°C
(53°F)		7°C
(44°F)		5°C
(41°F)
Average low1°C
(34°F)		2°C
(36°F)		3°C
(38°F)		5°C
(41°F)		8°C
(48°F)		13°C
(56°F)		14°C
(58°F)		15°C
(59°F)		11°C
(52°F)		9°C
(48°F)		4°C
(40°F)		3°C
(37°F)
Mean minimum-4°C
(24°F)		-5°C
(23°F)		-4°C
(25°F)		-2°C
(29°F)		2°C
(35°F)		8°C
(47°F)		9°C
(49°F)		9°C
(49°F)		5°C
(42°F)		2°C
(37°F)		-2°C
(28°F)		-3°C
(27°F)
Minimum-9°C
(16°F)		-10°C
(14°F)		-10°C
(13°F)		-3°C
(26°F)		-0°C
(32°F)		7°C
(45°F)		8°C
(47°F)		7°C
(45°F)		2°C
(36°F)		0°C
(32°F)		-4°C
(25°F)		-5°C
(24°F)

Compare climate in Heimbach with other places

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

Monthly average precipitation in Heimbach, Germany

Heimbach usually has the most precipitation in June, July and December, with an average of 14 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Heimbach are April, September and November. On average, 48 mm (1.9 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Heimbach. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)70 (2.8)67 (2.7)74 (2.9)36 (1.4)79 (3.1)79 (3.1)100 (3.9)77 (3.1)56 (2.2)70 (2.7)52 (2.1)96 (3.8)
Average precipitation days (≥ 1 mm)1312159121212159131118

Monthly sunshine hours in Heimbach, Germany

The sunniest months in Heimbach are May, June and July, when the sun shines an average of 12 hours 53 minutes a day. Least sunny months in Heimbach: January, November and December receive an average of 4 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Heimbach. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours116203266338388391404373312233183130
Mean daily daylight hours8h 30m10h 1m11h 55m13h 51m15h 32m16h 24m15h 56m14h 26m12h 34m10h 39m8h 55m8h 0m

Solar UV radiation in Heimbach, Germany

Heimbach 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 Heimbach UV Index data.

Average daily maximum UV levels by month for Heimbach. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578875421