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Monthly climate in Grandmenil, Wallonia, Belgium

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Grandmenil features a oceanic climate (Cfb).Temperatures typically range between 1 °C (35 °F) and 17 °C (63 °F) through the year, but rarely can drop to -14 °C (7 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1087 mm (42.8 inches) and receives 167 rainy days on the 1 mm (0.04 inches) threshold annually.Grandmenil enjoys an average of 3380 hours of sunshine throughout the year, and daylight varies from 8 hours 5 minutes to 16 hours 19 minutes per day.

Monthly average temperatures in Grandmenil, Wallonia, Belgium §

The warmest months in Grandmenil are June, July and August, with daily mean temperatures ranging from 17 to 17 °C (62 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 3 °C (35 - 38 °F) throughout the day. On average each year, Grandmenil experiences 16 days above 25 °C (77.0 °F) and 57 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grandmenil, Wallonia, Belgium.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 11°C
(53°F)		 19°C
(66°F)		 21°C
(70°F)		 25°C
(77°F)		 29°C
(85°F)		 31°C
(89°F)		 36°C
(97°F)		 34°C
(93°F)		 32°C
(89°F)		 23°C
(74°F)		 17°C
(63°F)		 13°C
(56°F)
Mean maximum 9°C
(49°F)		 13°C
(56°F)		 17°C
(62°F)		 22°C
(71°F)		 25°C
(77°F)		 27°C
(80°F)		 29°C
(85°F)		 30°C
(86°F)		 27°C
(80°F)		 20°C
(69°F)		 15°C
(59°F)		 12°C
(54°F)
Average high 3°C
(38°F)		 6°C
(43°F)		 9°C
(49°F)		 13°C
(56°F)		 16°C
(62°F)		 21°C
(70°F)		 22°C
(71°F)		 22°C
(71°F)		 18°C
(65°F)		 13°C
(56°F)		 8°C
(46°F)		 5°C
(41°F)
Daily mean 1°C
(35°F)		 3°C
(38°F)		 5°C
(42°F)		 8°C
(47°F)		 12°C
(54°F)		 17°C
(62°F)		 17°C
(63°F)		 17°C
(63°F)		 14°C
(57°F)		 10°C
(50°F)		 5°C
(42°F)		 3°C
(38°F)
Average low -1°C
(31°F)		 0°C
(33°F)		 2°C
(35°F)		 4°C
(39°F)		 7°C
(45°F)		 12°C
(54°F)		 13°C
(55°F)		 13°C
(56°F)		 10°C
(49°F)		 7°C
(45°F)		 3°C
(37°F)		 1°C
(35°F)
Mean minimum -7°C
(19°F)		 -6°C
(21°F)		 -5°C
(23°F)		 -3°C
(26°F)		 0°C
(33°F)		 7°C
(44°F)		 7°C
(45°F)		 7°C
(46°F)		 4°C
(39°F)		 1°C
(35°F)		 -3°C
(27°F)		 -4°C
(24°F)
Minimum -13°C
(9°F)		 -13°C
(9°F)		 -14°C
(7°F)		 -5°C
(23°F)		 -1°C
(30°F)		 5°C
(42°F)		 5°C
(42°F)		 5°C
(41°F)		 1°C
(34°F)		 -0°C
(32°F)		 -5°C
(24°F)		 -6°C
(22°F)

Compare climate in Grandmenil with other places

Compare temperature, precipitation, sunshine, UV index in Grandmenil, Wallonia, Belgium with other places around the world.

Monthly average precipitation in Grandmenil, Wallonia, Belgium §

Grandmenil usually has the most precipitation in March, June and December, with an average of 16 rainy days and 114 mm (4.5 inches) of precipitation per month.The driest months in Grandmenil are April, September and November. On average, 67 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grandmenil, Wallonia, Belgium.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) 96 (3.8) 88 (3.5) 106 (4.2) 48 (1.9) 89 (3.5) 97 (3.8) 88 (3.5) 90 (3.5) 80 (3.1) 95 (3.8) 72 (2.8) 139 (5.5)
Average precipitation days (≥ 1 mm) 14 13 16 11 14 13 12 17 10 14 12 21

Monthly sunshine hours in Grandmenil, Wallonia, Belgium §

The sunniest months in Grandmenil are May, June and July, when the sun shines an average of 13 hours 7 minutes a day.Least sunny months in Grandmenil: January, November and December receive an average of 4 hours 33 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grandmenil, Wallonia, Belgium.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 112 199 265 346 396 405 406 382 319 240 182 124
Mean daily daylight hours 8h 34m 10h 3m 11h 55m 13h 49m 15h 28m 16h 19m 15h 52m 14h 23m 12h 33m 10h 40m 8h 59m 8h 5m

Solar UV radiation in Grandmenil, Wallonia, Belgium §

Grandmenil 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 Grandmenil UV Index data.

Average daily maximum UV levels by month for Grandmenil, Wallonia, Belgium.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) 2 3 4 5 8 8 8 7 6 4 2 1