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Monthly climate in Hertain, Wallonia, Belgium

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Hertain features a oceanic climate (Cfb).Temperatures typically range between 4 °C (40 °F) and 19 °C (67 °F) through the year, but rarely can drop to -8 °C (19 °F) or can rise to as high as 40 °C (105 °F).The average annual precipitation amounts to about 753 mm (29.6 inches) and receives 137 rainy days on the 1 mm (0.04 inches) threshold annually.Hertain enjoys an average of 3447 hours of sunshine throughout the year, and daylight varies from 8 hours 2 minutes to 16 hours 22 minutes per day.

Monthly average temperatures in Hertain, Wallonia, Belgium §

The warmest months in Hertain are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (64 - 67 °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, Hertain experiences 25 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 Hertain, Wallonia, Belgium.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 15°C
(59°F)		 19°C
(66°F)		 22°C
(73°F)		 26°C
(79°F)		 29°C
(84°F)		 33°C
(91°F)		 40°C
(105°F)		 37°C
(99°F)		 32°C
(90°F)		 25°C
(77°F)		 19°C
(66°F)		 15°C
(59°F)
Mean maximum 12°C
(55°F)		 15°C
(59°F)		 19°C
(66°F)		 23°C
(74°F)		 26°C
(79°F)		 28°C
(83°F)		 32°C
(89°F)		 32°C
(89°F)		 28°C
(82°F)		 23°C
(73°F)		 17°C
(62°F)		 14°C
(58°F)
Average high 7°C
(44°F)		 9°C
(48°F)		 11°C
(53°F)		 15°C
(59°F)		 18°C
(65°F)		 22°C
(72°F)		 23°C
(74°F)		 23°C
(74°F)		 20°C
(69°F)		 16°C
(61°F)		 11°C
(51°F)		 8°C
(47°F)
Daily mean 4°C
(40°F)		 6°C
(43°F)		 8°C
(46°F)		 10°C
(51°F)		 14°C
(57°F)		 18°C
(64°F)		 19°C
(67°F)		 19°C
(66°F)		 16°C
(61°F)		 13°C
(55°F)		 8°C
(46°F)		 6°C
(43°F)
Average low 2°C
(36°F)		 3°C
(38°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
(46°F)		 10°C
(50°F)		 9°C
(49°F)		 7°C
(44°F)		 4°C
(39°F)		 -1°C
(31°F)		 -3°C
(28°F)
Minimum -6°C
(22°F)		 -8°C
(19°F)		 -8°C
(19°F)		 -3°C
(28°F)		 2°C
(35°F)		 6°C
(43°F)		 8°C
(47°F)		 8°C
(46°F)		 5°C
(41°F)		 2°C
(35°F)		 -2°C
(30°F)		 -4°C
(26°F)

Compare climate in Hertain with other places

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

Monthly average precipitation in Hertain, Wallonia, Belgium §

Hertain usually has the most precipitation in August, October and December, with an average of 14 rainy days and 83 mm (3.3 inches) of precipitation per month.The driest months in Hertain are April, July and September. On average, 45 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Hertain, Wallonia, Belgium.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 62 (2.4) 64 (2.5) 66 (2.6) 36 (1.4) 58 (2.3) 58 (2.3) 52 (2.0) 74 (2.9) 47 (1.9) 82 (3.2) 60 (2.4) 94 (3.7)
Average precipitation days (≥ 1 mm) 11 12 15 7 12 9 9 13 9 13 11 16

Monthly sunshine hours in Hertain, Wallonia, Belgium §

The sunniest months in Hertain are May, June and July, when the sun shines an average of 13 hours 12 minutes a day.Least sunny months in Hertain: January, February and December receive an average of 5 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Hertain, Wallonia, Belgium.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 118 196 265 347 395 402 417 382 319 253 197 149
Mean daily daylight hours 8h 31m 10h 2m 11h 55m 13h 50m 15h 30m 16h 22m 15h 54m 14h 25m 12h 34m 10h 39m 8h 57m 8h 2m

Solar UV radiation in Hertain, Wallonia, Belgium §

Hertain 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 Hertain UV Index data.

Average daily maximum UV levels by month for Hertain, Wallonia, Belgium.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 2 4 6 7 8 8 7 5 4 2 1