May 2025 Weather Summary for Brussels Hoofdstedelijk Gewest
May 2025 brought mild and relatively dry conditions to Brussels Hoofdstedelijk Gewest, with temperatures running slightly above normal and significantly less rainfall than typical for the month. The period was characterized by pleasant spring weather, though with notable temperature fluctuations between different parts of the province.
Temperature Overview
The average temperature for May reached 15.1 degrees Celsius, which is 0.8 degrees above the normal value of 14.3 degrees. This modest warming trend was consistent throughout the month. The warmest day occurred on May 1st in Anderlecht, where temperatures climbed to 29.3 degrees Celsius, providing an exceptionally warm start to the month. In contrast, the coldest conditions were recorded in Oudergem on May 5th, with a minimum of just 4.2 degrees Celsius, demonstrating the considerable temperature range experienced across the province during this period.
Precipitation Patterns
May proved to be notably drier than average, with total precipitation of 43.8 millimeters compared to the normal amount of 72.8 millimeters. This represents a 40 percent deficit in rainfall for the month. The wettest day occurred on May 27th in Vorst, where 19.0 millimeters of rain fell. Overall, Vorst recorded the highest total precipitation across the province with 50.8 millimeters, indicating that rainfall was concentrated in specific areas and periods rather than distributed evenly throughout the month.
Sunshine and Notable Features
Despite the drier conditions, sunshine hours exceeded expectations. The province recorded 328.9 hours of sunshine, surpassing the normal value of 312.1 hours by approximately 5 percent. This above-average sunshine, combined with the reduced rainfall, created favorable conditions for outdoor activities during much of the month. The combination of mild temperatures, increased sunshine, and below-average precipitation made May 2025 a pleasant spring month for residents of Brussels Hoofdstedelijk Gewest.