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Monthly climate in Roisin, Wallonia, Belgium

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Roisin features a oceanic climate (Cfb).Temperatures typically range between 4 °C (39 °F) and 19 °C (66 °F) through the year, but rarely can drop to -9 °C (16 °F) or can rise to as high as 40 °C (104 °F).The average annual precipitation amounts to about 877 mm (34.5 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually.Roisin enjoys an average of 3448 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 Roisin, Wallonia, Belgium §

The warmest months in Roisin are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (64 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 4 to 5 °C (39 - 42 °F) throughout the day. On average each year, Roisin experiences 26 days above 25 °C (77.0 °F) and 33 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Roisin, 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 14°C
(57°F)		 18°C
(66°F)		 23°C
(73°F)		 26°C
(79°F)		 30°C
(86°F)		 33°C
(91°F)		 40°C
(104°F)		 37°C
(99°F)		 33°C
(91°F)		 24°C
(76°F)		 18°C
(65°F)		 14°C
(58°F)
Mean maximum 12°C
(53°F)		 15°C
(59°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 28°C
(83°F)		 32°C
(89°F)		 32°C
(90°F)		 28°C
(82°F)		 22°C
(72°F)		 16°C
(61°F)		 14°C
(57°F)
Average high 6°C
(43°F)		 8°C
(47°F)		 11°C
(52°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(72°F)		 23°C
(74°F)		 23°C
(74°F)		 20°C
(68°F)		 15°C
(60°F)		 10°C
(50°F)		 7°C
(45°F)
Daily mean 4°C
(39°F)		 5°C
(42°F)		 7°C
(45°F)		 10°C
(50°F)		 13°C
(56°F)		 18°C
(64°F)		 19°C
(66°F)		 19°C
(66°F)		 15°C
(60°F)		 12°C
(54°F)		 7°C
(45°F)		 5°C
(42°F)
Average low 1°C
(35°F)		 2°C
(37°F)		 4°C
(39°F)		 5°C
(41°F)		 8°C
(47°F)		 13°C
(55°F)		 14°C
(57°F)		 14°C
(58°F)		 11°C
(52°F)		 9°C
(48°F)		 5°C
(40°F)		 3°C
(38°F)
Mean minimum -3°C
(26°F)		 -4°C
(25°F)		 -3°C
(27°F)		 -1°C
(30°F)		 2°C
(36°F)		 8°C
(46°F)		 9°C
(49°F)		 9°C
(48°F)		 5°C
(42°F)		 3°C
(38°F)		 -1°C
(30°F)		 -3°C
(27°F)
Minimum -7°C
(20°F)		 -8°C
(17°F)		 -9°C
(16°F)		 -3°C
(27°F)		 0°C
(33°F)		 6°C
(43°F)		 8°C
(46°F)		 7°C
(44°F)		 3°C
(38°F)		 1°C
(34°F)		 -2°C
(29°F)		 -4°C
(24°F)

Compare climate in Roisin with other places

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

Monthly average precipitation in Roisin, Wallonia, Belgium §

Roisin usually has the most precipitation in August, October and December, with an average of 14 rainy days and 94 mm (3.7 inches) of precipitation per month.The driest months in Roisin are April, June and September. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Roisin, 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) 72 (2.8) 79 (3.1) 82 (3.2) 42 (1.7) 70 (2.8) 64 (2.5) 64 (2.5) 86 (3.4) 55 (2.2) 85 (3.4) 67 (2.6) 111 (4.4)
Average precipitation days (≥ 1 mm) 12 13 14 8 13 10 10 13 9 13 12 17

Monthly sunshine hours in Roisin, Wallonia, Belgium §

The sunniest months in Roisin are May, June and July, when the sun shines an average of 13 hours 12 minutes a day.Least sunny months in Roisin: January, November and December receive an average of 5 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Roisin, 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 120 197 264 348 396 403 415 383 321 253 196 147
Mean daily daylight hours 8h 33m 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 Roisin, Wallonia, Belgium §

Roisin 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 Roisin UV Index data.

Average daily maximum UV levels by month for Roisin, 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 2 4 5 7 8 8 7 5 4 2 1