April 2026 brought notably warmer and significantly drier conditions to Brussels Hoofdstedelijk Gewest compared to historical averages. The month presented a striking contrast between abundant sunshine and exceptionally low rainfall, creating weather patterns that deviated considerably from typical spring conditions in the Belgian capital region.
Temperature Overview
The average temperature for April reached 12.9 degrees Celsius, representing a positive anomaly of 2.5 degrees above the normal value of 10.4 degrees. This warmer-than-average trend was evident throughout the month. The coldest reading occurred on April 3rd in Watermaal-Bosvoorde, where temperatures dropped to 2.0 degrees Celsius. In contrast, the warmest conditions were recorded on April 9th in Anderlecht, where the thermometer climbed to approximately 24.9 degrees Celsius, demonstrating the considerable temperature range experienced during this spring month.
Precipitation Patterns
April 2026 proved exceptionally dry across the region. The average total precipitation measured just 9.5 millimeters, representing a dramatic 86 percent decrease from the normal April precipitation of 65.9 millimeters. This substantial deficit made April one of the driest months on record for the period. The wettest day occurred on April 18th in Sint-Agatha-Berchem, where 4.2 millimeters of rain fell. Anderlecht recorded the highest total precipitation for any single location, accumulating 10.0 millimeters throughout the entire month.
Sunshine and Notable Conditions
Compensating for the lack of rain, sunshine hours were abundant. The region experienced 297.4 hours of sunshine, exceeding the normal value of 263.8 hours by 13 percent. This surplus of sunny days contributed to the warmer-than-average temperatures and created favorable conditions for outdoor activities throughout much of the month. The combination of warmth, dryness, and extended sunshine made April 2026 a particularly pleasant spring month for residents of Brussels Hoofdstedelijk Gewest, though the severe precipitation deficit may have raised concerns about water availability and agricultural conditions.