December 2025 Weather Report for Waals-Brabant, Belgium
December 2025 brought relatively mild conditions to Waals-Brabant, with temperatures tracking exactly at seasonal norms despite notable daily fluctuations. The month was characterized by significantly drier conditions than typical, coupled with above-average sunshine that brightened the winter landscape across the province.
Temperature Overview
The average temperature for December reached 5.6 degrees Celsius, matching the normal value precisely with no anomaly recorded. However, this masks considerable variation throughout the month. The warmest conditions occurred in Beauvechain on December 8th, when temperatures climbed to 14.1 degrees Celsius, providing a notably mild day in early December. In stark contrast, the coldest reading was registered in Genappe on December 26th, dropping to minus 4.8 degrees Celsius, bringing winter chill to the post-Christmas period.
Precipitation Patterns
December proved significantly drier than average, with total precipitation reaching only 31.5 millimeters compared to the normal 64.1 millimeters—a substantial deficit of 51 percent. The wettest day occurred in Wavre on December 7th, delivering 17.0 millimeters of rainfall. When examining precipitation by location, Rebecq recorded the highest total accumulation with 39.6 millimeters throughout the month, indicating that rainfall was concentrated in specific areas rather than evenly distributed across the province.
Sunshine and Notable Features
A bright spot in December was the above-average sunshine, with 101.7 hours recorded against a normal of 86.2 hours—an 18 percent surplus. This enhanced sunshine helped offset the typical gloominess associated with winter months in Belgium. The combination of mild average temperatures, significantly reduced precipitation, and increased sunshine created conditions notably different from typical December weather patterns in Waals-Brabant, with the dry spell being the most distinctive feature of the month.