Weather Report: Namur Province, Belgium – December 2025
December 2025 brought notably drier conditions to Namur province compared to historical averages, with temperatures remaining close to seasonal norms. The month was characterized by significantly reduced precipitation and above-average sunshine, creating a relatively mild winter period despite some cold spells toward the end of the month.
Temperature Overview
The average temperature for December reached 5.3 degrees Celsius, marginally above the normal value of 5.0 degrees, representing an anomaly of 0.3 degrees. The warmest day occurred on December 8 in Andenne, where temperatures climbed to 14.4 degrees Celsius, providing a brief mild spell early in the month. In contrast, the coldest conditions developed toward month's end, with La Bruyère recording a minimum of -5.1 degrees Celsius on December 26, marking the onset of more typical winter weather patterns.
Precipitation Patterns
December proved exceptionally dry across the province, with an average total of 32.8 millimeters compared to the normal expectation of 71.8 millimeters. This represents a significant 54 percent deficit from seasonal averages. The wettest day occurred on December 6 in Vresse-sur-Semois, which received 19.9 millimeters of precipitation. Over the entire month, Vresse-sur-Semois emerged as the wettest location in the province, accumulating 68.8 millimeters of rain.
Sunshine and Notable Features
A striking feature of December 2025 was the exceptional sunshine duration. The province recorded 110.4 hours of sunshine, substantially exceeding the normal value of 86.0 hours—a remarkable 28 percent surplus. This above-average sunshine, combined with reduced cloud cover and precipitation, created favorable conditions for those seeking brighter winter days.
The combination of mild early-month temperatures, significantly reduced rainfall, and enhanced sunshine made December 2025 a notably drier and sunnier month than typical for Namur province, though the late-month cold snap provided a reminder of winter's arrival.