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Monthly climate in Hennef, North Rhine-Westphalia, Germany

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hennef features a oceanic climate (Cfb).Temperatures typically range between 3 °C (38 °F) and 19 °C (67 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 917 mm (36.1 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually.Hennef enjoys an average of 3312 hours of sunshine throughout the year, and daylight varies from 8 hours 2 minutes to 16 hours 23 minutes per day.

Monthly average temperatures in Hennef, North Rhine-Westphalia, Germany §

The warmest months in Hennef are June, July and August, with daily mean temperatures ranging from 19 to 19 °C (66 - 67 °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, Hennef experiences 36 days above 25 °C (77.0 °F) and 31 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Hennef, North Rhine-Westphalia, Germany.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 14°C
(57°F)		 20°C
(68°F)		 22°C
(73°F)		 27°C
(80°F)		 33°C
(91°F)		 35°C
(95°F)		 40°C
(104°F)		 36°C
(97°F)		 33°C
(92°F)		 26°C
(79°F)		 20°C
(68°F)		 15°C
(59°F)
Mean maximum 12°C
(53°F)		 15°C
(60°F)		 19°C
(66°F)		 24°C
(75°F)		 28°C
(82°F)		 29°C
(85°F)		 32°C
(90°F)		 32°C
(90°F)		 29°C
(85°F)		 22°C
(72°F)		 17°C
(63°F)		 14°C
(57°F)
Average high 5°C
(41°F)		 8°C
(46°F)		 11°C
(52°F)		 15°C
(59°F)		 18°C
(65°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(76°F)		 20°C
(68°F)		 15°C
(59°F)		 9°C
(49°F)		 7°C
(44°F)
Daily mean 3°C
(38°F)		 4°C
(40°F)		 7°C
(44°F)		 10°C
(50°F)		 14°C
(57°F)		 19°C
(66°F)		 19°C
(67°F)		 19°C
(67°F)		 15°C
(60°F)		 12°C
(53°F)		 7°C
(44°F)		 5°C
(41°F)
Average low 1°C
(34°F)		 2°C
(35°F)		 3°C
(38°F)		 5°C
(42°F)		 9°C
(48°F)		 14°C
(57°F)		 15°C
(59°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
(25°F)		 -5°C
(24°F)		 -4°C
(26°F)		 -2°C
(29°F)		 2°C
(36°F)		 9°C
(48°F)		 10°C
(50°F)		 9°C
(49°F)		 5°C
(42°F)		 3°C
(37°F)		 -1°C
(30°F)		 -4°C
(26°F)
Minimum -8°C
(17°F)		 -11°C
(13°F)		 -10°C
(14°F)		 -3°C
(26°F)		 0°C
(33°F)		 8°C
(46°F)		 8°C
(47°F)		 7°C
(45°F)		 2°C
(36°F)		 1°C
(33°F)		 -4°C
(25°F)		 -5°C
(23°F)

Compare climate in Hennef with other places

Compare temperature, precipitation, sunshine, UV index in Hennef, North Rhine-Westphalia, Germany with other places around the world.

Monthly average precipitation in Hennef, North Rhine-Westphalia, Germany §

Hennef usually has the most precipitation in March, July and December, with an average of 15 rainy days and 98 mm (3.9 inches) of precipitation per month.The driest months in Hennef are April, September and November. On average, 53 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hennef, North Rhine-Westphalia, Germany.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 83 (3.3) 79 (3.1) 85 (3.3) 39 (1.5) 73 (2.9) 67 (2.6) 91 (3.6) 82 (3.2) 61 (2.4) 80 (3.2) 59 (2.3) 118 (4.7)
Average precipitation days (≥ 1 mm) 14 12 16 9 13 11 11 15 10 14 13 20

Monthly sunshine hours in Hennef, North Rhine-Westphalia, Germany §

The sunniest months in Hennef are May, June and July, when the sun shines an average of 12 hours 55 minutes a day.Least sunny months in Hennef: January, November and December receive an average of 4 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hennef, North Rhine-Westphalia, Germany.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 105 199 263 340 388 392 408 379 314 230 172 117
Mean daily daylight hours 8h 31m 10h 2m 11h 55m 13h 50m 15h 30m 16h 23m 15h 55m 14h 25m 12h 34m 10h 39m 8h 56m 8h 2m

Solar UV radiation in Hennef, North Rhine-Westphalia, Germany §

Hennef 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 Hennef UV Index data.

Average daily maximum UV levels by month for Hennef, North Rhine-Westphalia, Germany.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 2 4 5 7 8 8 7 5 4 2 1