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Monthly climate in Bertrix, Belgium

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bertrix 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 (10 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1046 mm (41.2 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually. Bertrix enjoys an average of 3311 hours of sunshine throughout the year, and daylight varies from 8 hours 11 minutes to 16 hours 13 minutes per day.

Monthly average temperatures in Bertrix, Belgium

The warmest months in Bertrix 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, Bertrix experiences 24 days above 25 °C (77.0 °F) and 52 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bertrix. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum12°C
(53°F)		19°C
(66°F)		22°C
(71°F)		26°C
(79°F)		30°C
(86°F)		32°C
(90°F)		38°C
(101°F)		36°C
(96°F)		33°C
(92°F)		24°C
(75°F)		18°C
(65°F)		14°C
(57°F)
Mean maximum10°C
(50°F)		14°C
(57°F)		18°C
(64°F)		22°C
(73°F)		26°C
(78°F)		27°C
(82°F)		31°C
(87°F)		31°C
(88°F)		28°C
(82°F)		21°C
(70°F)		15°C
(60°F)		12°C
(55°F)
Average high4°C
(39°F)		7°C
(44°F)		10°C
(50°F)		14°C
(57°F)		17°C
(63°F)		22°C
(71°F)		23°C
(73°F)		23°C
(73°F)		19°C
(67°F)		14°C
(57°F)		8°C
(47°F)		5°C
(42°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)		10°C
(51°F)		5°C
(42°F)		4°C
(39°F)
Average low-0°C
(32°F)		1°C
(34°F)		2°C
(36°F)		4°C
(40°F)		8°C
(46°F)		12°C
(55°F)		13°C
(56°F)		14°C
(57°F)		10°C
(51°F)		8°C
(46°F)		3°C
(38°F)		2°C
(35°F)
Mean minimum-6°C
(22°F)		-5°C
(22°F)		-4°C
(24°F)		-2°C
(29°F)		1°C
(34°F)		7°C
(45°F)		9°C
(48°F)		8°C
(46°F)		5°C
(41°F)		2°C
(35°F)		-2°C
(28°F)		-5°C
(24°F)
Minimum-11°C
(12°F)		-10°C
(14°F)		-12°C
(10°F)		-3°C
(27°F)		-1°C
(31°F)		5°C
(42°F)		7°C
(45°F)		5°C
(41°F)		3°C
(38°F)		0°C
(33°F)		-4°C
(26°F)		-5°C
(23°F)

Compare climate in Bertrix with other places

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

Monthly average precipitation in Bertrix, Belgium

Bertrix usually has the most precipitation in March, October and December, with an average of 16 rainy days and 118 mm (4.6 inches) of precipitation per month. The driest months in Bertrix are April, August and September. On average, 64 mm (2.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bertrix. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)95 (3.7)92 (3.6)104 (4.1)46 (1.8)80 (3.1)80 (3.1)73 (2.9)72 (2.9)73 (2.9)98 (3.9)81 (3.2)151 (5.9)
Average precipitation days (≥ 1 mm)131215101313111610131320

Monthly sunshine hours in Bertrix, Belgium

The sunniest months in Bertrix are May, June and July, when the sun shines an average of 13 hours 2 minutes a day. Least sunny months in Bertrix: January, November and December receive an average of 4 hours 17 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bertrix. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours106182246343387407405384316241175113
Mean daily daylight hours8h 38m10h 6m11h 55m13h 47m15h 23m16h 13m15h 47m14h 20m12h 33m10h 42m9h 3m8h 11m

Solar UV radiation in Bertrix, Belgium

Bertrix experiences the highest level of ultraviolet (UV) radiation in May, July and August, 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 Bertrix UV Index data.

Average daily maximum UV levels by month for Bertrix. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)234688886421