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Monthly climate in Dergneau, Belgium

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Dergneau features a oceanic climate (Cfb). Temperatures typically range between 4 °C (40 °F) and 19 °C (66 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 39 °C (103 °F). The average annual precipitation amounts to about 783 mm (30.8 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually. Dergneau enjoys an average of 3443 hours of sunshine throughout the year, and daylight varies from 8 hours 1 minutes to 16 hours 24 minutes per day.

Monthly average temperatures in Dergneau, Belgium

The warmest months in Dergneau 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 6 °C (40 - 43 °F) throughout the day. On average each year, Dergneau experiences 23 days above 25 °C (77.0 °F) and 23 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Dergneau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum14°C
(58°F)		18°C
(65°F)		22°C
(73°F)		26°C
(79°F)		29°C
(85°F)		32°C
(91°F)		39°C
(103°F)		36°C
(97°F)		32°C
(89°F)		24°C
(76°F)		19°C
(66°F)		15°C
(58°F)
Mean maximum12°C
(54°F)		15°C
(59°F)		19°C
(66°F)		23°C
(74°F)		26°C
(79°F)		28°C
(83°F)		31°C
(88°F)		31°C
(88°F)		27°C
(81°F)		22°C
(72°F)		16°C
(62°F)		14°C
(57°F)
Average high7°C
(44°F)		9°C
(48°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)		16°C
(61°F)		10°C
(51°F)		8°C
(46°F)
Daily mean4°C
(40°F)		6°C
(42°F)		8°C
(46°F)		10°C
(51°F)		14°C
(57°F)		18°C
(64°F)		19°C
(66°F)		19°C
(66°F)		16°C
(60°F)		12°C
(55°F)		8°C
(46°F)		6°C
(43°F)
Average low2°C
(36°F)		3°C
(37°F)		4°C
(40°F)		6°C
(42°F)		9°C
(48°F)		13°C
(56°F)		14°C
(58°F)		15°C
(59°F)		12°C
(53°F)		10°C
(50°F)		5°C
(42°F)		4°C
(39°F)
Mean minimum-3°C
(27°F)		-4°C
(25°F)		-2°C
(29°F)		-1°C
(31°F)		2°C
(37°F)		8°C
(47°F)		10°C
(50°F)		9°C
(49°F)		7°C
(44°F)		4°C
(39°F)		-1°C
(31°F)		-2°C
(28°F)
Minimum-6°C
(21°F)		-8°C
(19°F)		-7°C
(19°F)		-3°C
(27°F)		1°C
(34°F)		6°C
(44°F)		8°C
(47°F)		8°C
(46°F)		5°C
(41°F)		2°C
(36°F)		-2°C
(29°F)		-4°C
(25°F)

Compare climate in Dergneau with other places

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

Monthly average precipitation in Dergneau, Belgium

Dergneau usually has the most precipitation in August, October and December, with an average of 14 rainy days and 85 mm (3.3 inches) of precipitation per month. The driest months in Dergneau are April, May and September. On average, 50 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Dergneau. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)66 (2.6)67 (2.6)69 (2.7)39 (1.5)57 (2.2)60 (2.4)58 (2.3)77 (3.0)54 (2.1)82 (3.2)58 (2.3)96 (3.8)
Average precipitation days (≥ 1 mm)111215812911139131217

Monthly sunshine hours in Dergneau, Belgium

The sunniest months in Dergneau are May, June and July, when the sun shines an average of 13 hours 10 minutes a day. Least sunny months in Dergneau: January, November and December receive an average of 5 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Dergneau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours119200269346397404411380319246197149
Mean daily daylight hours8h 30m10h 2m11h 55m13h 51m15h 31m16h 24m15h 56m14h 26m12h 34m10h 39m8h 56m8h 1m

Solar UV radiation in Dergneau, Belgium

Dergneau 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 Dergneau UV Index data.

Average daily maximum UV levels by month for Dergneau. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124578875421