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Monthly climate in Robertville, Belgium

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Robertville 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 (8 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1119 mm (44.0 inches) and receives 176 rainy days on the 1 mm (0.04 inches) threshold annually. Robertville enjoys an average of 3375 hours of sunshine throughout the year, and daylight varies from 8 hours 4 minutes to 16 hours 20 minutes per day.

Monthly average temperatures in Robertville, Belgium

The warmest months in Robertville 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, Robertville experiences 16 days above 25 °C (77.0 °F) and 54 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Robertville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(53°F)		19°C
(67°F)		21°C
(71°F)		25°C
(78°F)		29°C
(85°F)		32°C
(89°F)		37°C
(99°F)		33°C
(92°F)		31°C
(88°F)		23°C
(74°F)		17°C
(63°F)		13°C
(56°F)
Mean maximum10°C
(49°F)		14°C
(57°F)		17°C
(62°F)		22°C
(72°F)		25°C
(77°F)		27°C
(80°F)		29°C
(85°F)		30°C
(86°F)		26°C
(80°F)		20°C
(69°F)		15°C
(59°F)		12°C
(54°F)
Average high3°C
(38°F)		6°C
(43°F)		9°C
(48°F)		13°C
(55°F)		16°C
(62°F)		21°C
(70°F)		21°C
(71°F)		21°C
(71°F)		18°C
(64°F)		13°C
(56°F)		8°C
(46°F)		5°C
(41°F)
Daily mean1°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
(51°F)		5°C
(42°F)		3°C
(38°F)
Average low-0°C
(31°F)		0°C
(33°F)		2°C
(36°F)		4°C
(40°F)		7°C
(46°F)		12°C
(54°F)		13°C
(55°F)		13°C
(56°F)		10°C
(50°F)		8°C
(46°F)		3°C
(38°F)		2°C
(35°F)
Mean minimum-7°C
(20°F)		-6°C
(21°F)		-5°C
(23°F)		-3°C
(26°F)		1°C
(33°F)		7°C
(45°F)		8°C
(46°F)		8°C
(46°F)		5°C
(40°F)		2°C
(35°F)		-3°C
(27°F)		-4°C
(24°F)
Minimum-13°C
(9°F)		-12°C
(11°F)		-14°C
(8°F)		-6°C
(22°F)		-1°C
(30°F)		6°C
(42°F)		6°C
(44°F)		5°C
(41°F)		2°C
(35°F)		0°C
(32°F)		-5°C
(24°F)		-5°C
(23°F)

Compare climate in Robertville with other places

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

Monthly average precipitation in Robertville, Belgium

Robertville usually has the most precipitation in March, July and December, with an average of 17 rainy days and 117 mm (4.6 inches) of precipitation per month. The driest months in Robertville are April, September and November. On average, 66 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Robertville. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)101 (4.0)92 (3.6)110 (4.3)49 (1.9)91 (3.6)102 (4.0)103 (4.1)91 (3.6)78 (3.1)94 (3.7)71 (2.8)137 (5.4)
Average precipitation days (≥ 1 mm)151317111514141711151321

Monthly sunshine hours in Robertville, Belgium

The sunniest months in Robertville are May, June and July, when the sun shines an average of 13 hours 8 minutes a day. Least sunny months in Robertville: January, November and December receive an average of 4 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Robertville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours111200266347393405408380318237181123
Mean daily daylight hours8h 33m10h 3m11h 55m13h 49m15h 29m16h 20m15h 53m14h 24m12h 33m10h 40m8h 58m8h 4m

Solar UV radiation in Robertville, Belgium

Robertville experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 8 - 9, 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 Robertville UV Index data.

Average daily maximum UV levels by month for Robertville. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234589876421