June 2025 Weather Summary for Brussels-Capital Region
June 2025 brought warmer than average conditions to the Brussels-Capital Region, with temperatures running notably above the seasonal norm throughout the month. The average temperature reached 19.4 degrees Celsius, exceeding the normal value of 18.2 degrees by 1.2 degrees. This warming trend was particularly pronounced during mid-month, when conditions became exceptionally warm across the region.
Temperature Extremes
The month experienced a significant temperature range, reflecting the variable nature of early summer weather. The warmest conditions occurred in Anderlecht on June 13, when temperatures climbed to 32.7 degrees Celsius, marking the highest temperature recorded during the period. In contrast, the coldest reading was registered in Vorst on June 9, dropping to 8.8 degrees Celsius. This substantial difference of nearly 24 degrees between the warmest and coldest days highlights the dynamic weather patterns that characterized June across Brussels.
Precipitation Patterns
Rainfall during June was notably below normal, with the region receiving only 44.1 millimeters compared to the typical 59.8 millimeters, representing a 26 percent deficit. The wettest day occurred in Evere on June 5, when 9.7 millimeters of precipitation fell. Ukkel recorded the highest total precipitation for the month at 46.6 millimeters. The drier than average conditions contributed to a relatively pleasant early summer period across the capital region.
Sunshine and Notable Features
Sunshine hours exceeded the seasonal average, with 369 hours recorded compared to the normal 357.9 hours, representing a 3 percent increase. This above-average sunshine, combined with the warmer temperatures and below-normal rainfall, created favorable conditions for outdoor activities throughout much of the month. The combination of these factors resulted in a notably pleasant June for the Brussels-Capital Region.