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Monthly climate in Rienne, Belgium

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rienne features a oceanic climate (Cfb). Temperatures typically range between 2 °C (36 °F) and 18 °C (65 °F) through the year, but rarely can drop to -12 °C (11 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1016 mm (40.0 inches) and receives 162 rainy days on the 1 mm (0.04 inches) threshold annually. Rienne enjoys an average of 3275 hours of sunshine throughout the year, and daylight varies from 8 hours 8 minutes to 16 hours 16 minutes per day.

Monthly average temperatures in Rienne, Belgium

The warmest months in Rienne are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (36 - 39 °F) throughout the day. On average each year, Rienne experiences 22 days above 25 °C (77.0 °F) and 46 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rienne. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(54°F)		19°C
(66°F)		22°C
(72°F)		26°C
(79°F)		30°C
(86°F)		32°C
(89°F)		36°C
(98°F)		35°C
(96°F)		33°C
(91°F)		24°C
(75°F)		18°C
(64°F)		14°C
(57°F)
Mean maximum10°C
(50°F)		14°C
(57°F)		18°C
(64°F)		22°C
(72°F)		25°C
(78°F)		27°C
(81°F)		30°C
(86°F)		31°C
(88°F)		27°C
(82°F)		21°C
(70°F)		15°C
(60°F)		13°C
(55°F)
Average high4°C
(40°F)		7°C
(45°F)		10°C
(50°F)		14°C
(57°F)		17°C
(63°F)		22°C
(71°F)		22°C
(73°F)		22°C
(73°F)		19°C
(66°F)		14°C
(57°F)		8°C
(48°F)		6°C
(43°F)
Daily mean2°C
(36°F)		4°C
(39°F)		6°C
(43°F)		9°C
(49°F)		13°C
(55°F)		17°C
(63°F)		18°C
(65°F)		18°C
(65°F)		14°C
(58°F)		11°C
(52°F)		6°C
(43°F)		4°C
(39°F)
Average low0°C
(33°F)		1°C
(35°F)		2°C
(37°F)		4°C
(40°F)		8°C
(46°F)		12°C
(54°F)		13°C
(56°F)		14°C
(57°F)		10°C
(51°F)		8°C
(46°F)		3°C
(38°F)		2°C
(36°F)
Mean minimum-5°C
(23°F)		-5°C
(23°F)		-4°C
(25°F)		-2°C
(28°F)		1°C
(34°F)		7°C
(46°F)		8°C
(47°F)		8°C
(46°F)		5°C
(41°F)		2°C
(36°F)		-2°C
(28°F)		-4°C
(25°F)
Minimum-9°C
(17°F)		-9°C
(15°F)		-12°C
(11°F)		-4°C
(25°F)		-0°C
(32°F)		5°C
(42°F)		7°C
(45°F)		5°C
(41°F)		2°C
(36°F)		1°C
(34°F)		-4°C
(26°F)		-5°C
(24°F)

Compare climate in Rienne with other places

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

Monthly average precipitation in Rienne, Belgium

Rienne usually has the most precipitation in March, October and December, with an average of 16 rainy days and 109 mm (4.3 inches) of precipitation per month. The driest months in Rienne are April, September and November. On average, 63 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rienne. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)85 (3.4)84 (3.3)95 (3.7)49 (1.9)82 (3.2)85 (3.3)79 (3.1)84 (3.3)69 (2.7)99 (3.9)72 (2.8)133 (5.2)
Average precipitation days (≥ 1 mm)131316101413111510141320

Monthly sunshine hours in Rienne, Belgium

The sunniest months in Rienne are May, June and July, when the sun shines an average of 12 hours 55 minutes a day. Least sunny months in Rienne: January, November and December receive an average of 4 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rienne. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours104180246340386401400378313236171114
Mean daily daylight hours8h 36m10h 5m11h 55m13h 48m15h 26m16h 16m15h 49m14h 22m12h 33m10h 41m9h 1m8h 8m

Solar UV radiation in Rienne, Belgium

Rienne 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 Rienne UV Index data.

Average daily maximum UV levels by month for Rienne. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234688875421