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Monthly climate in Heessen, Lower Saxony, Germany

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Heessen 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 -19 °C (-2 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 792 mm (31.2 inches) and receives 146 rainy days on the 1 mm (0.04 inches) threshold annually.Heessen enjoys an average of 3254 hours of sunshine throughout the year, and daylight varies from 7 hours 46 minutes to 16 hours 40 minutes per day.

Monthly average temperatures in Heessen, Lower Saxony, Germany §

The warmest months in Heessen 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 4 °C (38 - 40 °F) throughout the day. On average each year, Heessen experiences 29 days above 25 °C (77.0 °F) and 38 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Heessen, Lower Saxony, 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)		 19°C
(66°F)		 21°C
(71°F)		 27°C
(80°F)		 30°C
(87°F)		 33°C
(91°F)		 37°C
(99°F)		 36°C
(96°F)		 31°C
(89°F)		 27°C
(80°F)		 20°C
(68°F)		 14°C
(58°F)
Mean maximum 12°C
(53°F)		 15°C
(59°F)		 18°C
(65°F)		 24°C
(75°F)		 27°C
(81°F)		 28°C
(84°F)		 31°C
(88°F)		 31°C
(89°F)		 28°C
(83°F)		 23°C
(73°F)		 17°C
(62°F)		 13°C
(55°F)
Average high 5°C
(41°F)		 7°C
(44°F)		 10°C
(50°F)		 14°C
(57°F)		 18°C
(64°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 19°C
(67°F)		 15°C
(59°F)		 9°C
(48°F)		 6°C
(43°F)
Daily mean 3°C
(38°F)		 4°C
(39°F)		 6°C
(43°F)		 9°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)		 4°C
(40°F)
Average low 1°C
(34°F)		 1°C
(34°F)		 2°C
(36°F)		 4°C
(40°F)		 8°C
(47°F)		 13°C
(56°F)		 14°C
(57°F)		 14°C
(58°F)		 11°C
(51°F)		 9°C
(48°F)		 4°C
(40°F)		 3°C
(37°F)
Mean minimum -5°C
(24°F)		 -6°C
(21°F)		 -4°C
(25°F)		 -2°C
(28°F)		 1°C
(34°F)		 7°C
(45°F)		 9°C
(48°F)		 8°C
(47°F)		 5°C
(41°F)		 2°C
(37°F)		 -1°C
(30°F)		 -4°C
(26°F)
Minimum -10°C
(14°F)		 -19°C
(-2°F)		 -11°C
(13°F)		 -4°C
(25°F)		 -1°C
(31°F)		 4°C
(39°F)		 6°C
(44°F)		 7°C
(45°F)		 2°C
(35°F)		 0°C
(32°F)		 -2°C
(28°F)		 -9°C
(16°F)

Compare climate in Heessen with other places

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

Monthly average precipitation in Heessen, Lower Saxony, Germany §

Heessen usually has the most precipitation in July, October and December, with an average of 14 rainy days and 83 mm (3.3 inches) of precipitation per month.The driest months in Heessen 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 Heessen, Lower Saxony, 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) 66 (2.6) 69 (2.7) 67 (2.7) 41 (1.6) 59 (2.3) 68 (2.7) 89 (3.5) 69 (2.7) 55 (2.2) 81 (3.2) 48 (1.9) 80 (3.1)
Average precipitation days (≥ 1 mm) 12 12 14 10 12 10 11 13 9 15 12 16

Monthly sunshine hours in Heessen, Lower Saxony, Germany §

The sunniest months in Heessen are May, June and July, when the sun shines an average of 12 hours 44 minutes a day.Least sunny months in Heessen: 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 Heessen, Lower Saxony, 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 100 188 254 340 385 390 395 380 305 234 162 115
Mean daily daylight hours 8h 17m 9h 55m 11h 54m 13h 57m 15h 44m 16h 40m 16h 10m 14h 34m 12h 36m 10h 34m 8h 45m 7h 46m

Solar UV radiation in Heessen, Lower Saxony, Germany §

Heessen 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 Heessen UV Index data.

Average daily maximum UV levels by month for Heessen, Lower Saxony, 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 3 2 1