Weather Report: Vlaams-Brabant, Belgium – January 2025
January 2025 brought notably wet and cool conditions to Vlaams-Brabant, with precipitation significantly above normal and sunshine hours falling short of seasonal expectations. The month presented a mixed picture of winter weather, featuring both mild early-month temperatures and a sharp cold spell mid-month.
Temperature Overview
The average temperature for January reached 2.7 degrees Celsius, running slightly below the normal value of 3.0 degrees, resulting in an anomaly of -0.3 degrees. The month displayed considerable temperature variation, with the warmest reading of 12.2 degrees Celsius recorded in Zemst on January 6th, while the coldest temperature plummeted to -10.5 degrees Celsius in Bekkevoort on January 14th. This 22.7-degree spread illustrates the dynamic nature of winter weather patterns across the province during this period.
Precipitation Patterns
Rainfall proved to be the dominant weather feature, with an average total of 151.5 millimeters across the province—substantially exceeding the normal value of 105.3 millimeters and representing a 44 percent increase above seasonal norms. The wettest single day occurred on January 5th in Asse, which recorded 28.2 millimeters of precipitation. Sint-Genesius-Rode emerged as the wettest location overall, accumulating 172.2 millimeters throughout the month. This persistent wet pattern contributed to consistently damp conditions across Vlaams-Brabant.
Sunshine and Notable Observations
Sunshine hours totaled 83.8 hours for the month, falling 21 percent below the normal expectation of 106.1 hours. This deficit reflects the frequent cloud cover and overcast conditions that accompanied the above-normal precipitation. The combination of excessive moisture and reduced solar radiation created typical winter conditions, with gray skies dominating much of the month. The early-month warmth on January 6th provided a brief respite before the cold front arrived around mid-month, bringing the extreme low temperature recorded in Bekkevoort.
Overall, January 2025 in Vlaams-Brabant was characterized as a wet, relatively cool month with limited sunshine, presenting conditions typical of a damp Belgian winter.