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Monthly climate in Rethem, Lower Saxony, Germany

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rethem 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 -16 °C (4 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 782 mm (30.8 inches) and receives 143 rainy days on the 1 mm (0.04 inches) threshold annually.Rethem enjoys an average of 3279 hours of sunshine throughout the year, and daylight varies from 7 hours 41 minutes to 16 hours 46 minutes per day.

Monthly average temperatures in Rethem, Lower Saxony, Germany §

The warmest months in Rethem 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 4 °C (38 - 40 °F) throughout the day. On average each year, Rethem experiences 31 days above 25 °C (77.0 °F) and 37 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rethem, 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
(70°F)		 27°C
(80°F)		 32°C
(90°F)		 33°C
(92°F)		 37°C
(99°F)		 36°C
(97°F)		 32°C
(90°F)		 28°C
(82°F)		 20°C
(68°F)		 14°C
(57°F)
Mean maximum 12°C
(54°F)		 15°C
(58°F)		 18°C
(65°F)		 24°C
(75°F)		 27°C
(81°F)		 29°C
(84°F)		 31°C
(88°F)		 32°C
(89°F)		 29°C
(84°F)		 23°C
(73°F)		 17°C
(62°F)		 12°C
(55°F)
Average high 5°C
(41°F)		 7°C
(44°F)		 10°C
(50°F)		 14°C
(57°F)		 18°C
(65°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 20°C
(68°F)		 15°C
(60°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)		 19°C
(66°F)		 19°C
(66°F)		 19°C
(67°F)		 15°C
(59°F)		 12°C
(53°F)		 7°C
(44°F)		 4°C
(40°F)
Average low 1°C
(35°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
(52°F)		 9°C
(48°F)		 5°C
(40°F)		 3°C
(37°F)
Mean minimum -6°C
(22°F)		 -6°C
(22°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)		 4°C
(40°F)		 2°C
(35°F)		 -1°C
(30°F)		 -4°C
(26°F)
Minimum -10°C
(14°F)		 -16°C
(4°F)		 -12°C
(11°F)		 -4°C
(25°F)		 -1°C
(31°F)		 5°C
(41°F)		 7°C
(44°F)		 6°C
(43°F)		 2°C
(35°F)		 -3°C
(27°F)		 -3°C
(27°F)		 -9°C
(15°F)

Compare climate in Rethem with other places

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

Monthly average precipitation in Rethem, Lower Saxony, Germany §

Rethem usually has the most precipitation in July, October and December, with an average of 13 rainy days and 82 mm (3.2 inches) of precipitation per month.The driest months in Rethem are April, September and November. On average, 51 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rethem, 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) 61 (2.4) 62 (2.4) 66 (2.6) 49 (1.9) 58 (2.3) 67 (2.6) 85 (3.4) 72 (2.8) 56 (2.2) 82 (3.2) 47 (1.8) 79 (3.1)
Average precipitation days (≥ 1 mm) 12 12 13 10 12 10 12 13 9 15 11 14

Monthly sunshine hours in Rethem, Lower Saxony, Germany §

The sunniest months in Rethem are May, June and July, when the sun shines an average of 12 hours 48 minutes a day.Least sunny months in Rethem: 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 Rethem, 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 99 185 258 342 383 393 402 381 308 245 161 117
Mean daily daylight hours 8h 13m 9h 52m 11h 54m 13h 59m 15h 48m 16h 46m 16h 15m 14h 36m 12h 36m 10h 33m 8h 41m 7h 41m

Solar UV radiation in Rethem, Lower Saxony, Germany §

Rethem experiences the highest level of ultraviolet (UV) radiation in May, June 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 Rethem UV Index data.

Average daily maximum UV levels by month for Rethem, 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 7 7 5 3 2 1