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Monthly climate in Marneffe, Belgium

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Marneffe features a oceanic climate (Cfb). Temperatures typically range between 3 °C (38 °F) and 18 °C (66 °F) through the year, but rarely can drop to -11 °C (13 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 939 mm (37.0 inches) and receives 158 rainy days on the 1 mm (0.04 inches) threshold annually. Marneffe enjoys an average of 3373 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 Marneffe, Belgium

The warmest months in Marneffe are June, July and August, with daily mean temperatures ranging from 18 to 18 °C (64 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 5 °C (38 - 41 °F) throughout the day. On average each year, Marneffe experiences 26 days above 25 °C (77.0 °F) and 39 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Marneffe. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum13°C
(55°F)		20°C
(68°F)		23°C
(73°F)		27°C
(80°F)		31°C
(88°F)		33°C
(91°F)		38°C
(101°F)		36°C
(97°F)		34°C
(93°F)		25°C
(77°F)		18°C
(65°F)		14°C
(58°F)
Mean maximum11°C
(52°F)		15°C
(59°F)		18°C
(65°F)		23°C
(74°F)		26°C
(79°F)		28°C
(83°F)		31°C
(88°F)		32°C
(89°F)		28°C
(83°F)		22°C
(71°F)		16°C
(61°F)		13°C
(56°F)
Average high5°C
(42°F)		8°C
(46°F)		11°C
(51°F)		14°C
(58°F)		18°C
(64°F)		22°C
(72°F)		23°C
(74°F)		23°C
(73°F)		19°C
(67°F)		15°C
(59°F)		9°C
(49°F)		7°C
(44°F)
Daily mean3°C
(38°F)		5°C
(41°F)		7°C
(44°F)		9°C
(49°F)		13°C
(56°F)		18°C
(64°F)		18°C
(66°F)		18°C
(65°F)		15°C
(59°F)		11°C
(53°F)		7°C
(44°F)		5°C
(41°F)
Average low1°C
(34°F)		2°C
(36°F)		3°C
(38°F)		5°C
(41°F)		8°C
(47°F)		13°C
(55°F)		14°C
(57°F)		14°C
(58°F)		11°C
(51°F)		9°C
(48°F)		4°C
(39°F)		3°C
(37°F)
Mean minimum-5°C
(24°F)		-5°C
(24°F)		-4°C
(25°F)		-2°C
(28°F)		1°C
(35°F)		8°C
(46°F)		9°C
(48°F)		8°C
(48°F)		5°C
(41°F)		2°C
(37°F)		-2°C
(28°F)		-4°C
(25°F)
Minimum-9°C
(15°F)		-10°C
(15°F)		-11°C
(13°F)		-5°C
(24°F)		0°C
(33°F)		6°C
(44°F)		7°C
(45°F)		6°C
(43°F)		2°C
(36°F)		1°C
(34°F)		-4°C
(26°F)		-5°C
(23°F)

Compare climate in Marneffe with other places

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

Monthly average precipitation in Marneffe, Belgium

Marneffe usually has the most precipitation in March, October and December, with an average of 16 rainy days and 98 mm (3.8 inches) of precipitation per month. The driest months in Marneffe are April, September and November. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Marneffe. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)79 (3.1)78 (3.1)88 (3.5)41 (1.6)69 (2.7)80 (3.2)83 (3.3)84 (3.3)68 (2.7)90 (3.5)63 (2.5)116 (4.6)
Average precipitation days (≥ 1 mm)13121591413111411141220

Monthly sunshine hours in Marneffe, Belgium

The sunniest months in Marneffe are May, June and July, when the sun shines an average of 13 hours 4 minutes a day. Least sunny months in Marneffe: January, November and December receive an average of 4 hours 35 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Marneffe. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours113197264344395403404381318240183126
Mean daily daylight hours8h 33m10h 3m11h 55m13h 49m15h 29m16h 20m15h 53m14h 24m12h 33m10h 40m8h 58m8h 4m

Solar UV radiation in Marneffe, Belgium

Marneffe 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, 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 Marneffe UV Index data.

Average daily maximum UV levels by month for Marneffe. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234578875421