August 2025 Weather Summary for Brussels-Capital Region
August 2025 brought notably dry conditions to the Brussels-Capital Region, with temperatures running slightly above normal and abundant sunshine throughout the month. The weather pattern was characterized by a significant deficit in precipitation, while solar radiation remained above average, creating an overall warm and sunny summer month.
Temperature Overview
The average temperature for August reached 19.6 degrees Celsius, which is 0.5 degrees above the normal value of 19.1 degrees. The warmest day of the month occurred on August 12 in Anderlecht, where temperatures climbed to 33.7 degrees Celsius. In contrast, the coldest reading was recorded on August 24 in Oudergem, dropping to 8.9 degrees Celsius. This temperature range of nearly 25 degrees demonstrates the variability experienced across the region during this period.
Precipitation Patterns
August proved to be exceptionally dry, with an average total precipitation of just 20.6 millimeters compared to the normal value of 50.1 millimeters. This represents a significant deficit of 59 percent below normal conditions. The wettest day occurred on August 29 in Oudergem, with 8.3 millimeters of rainfall. When examining precipitation by location, Watermaal-Bosvoorde recorded the highest total for the month at 26.0 millimeters, indicating that rainfall was unevenly distributed across the region.
Sunshine and Notable Conditions
Sunshine hours totaled 338.9 hours during August, exceeding the normal value of 327.2 hours by approximately 4 percent. This above-average sunshine, combined with the dry conditions, created favorable weather for outdoor activities throughout much of the month. The combination of warm temperatures, reduced rainfall, and extended daylight hours characterized August 2025 as a pleasant summer month for the Brussels-Capital Region, though the significant precipitation deficit may have impacted water availability and vegetation growth in some areas.