July 2025 brought warmer than average conditions to the Brussels-Capital Region, with temperatures running notably above normal throughout the month. The average temperature reached 19.6 degrees Celsius, exceeding the normal value of 18.7 degrees by 0.9 degrees. This positive anomaly reflects a generally warm summer month across the capital region.
Temperature Overview
The month experienced significant temperature variation across different locations. Sint-Lambrechts-Woluwe recorded the highest temperature of 36.3 degrees Celsius on July 1st, marking an exceptionally warm start to the month. In contrast, Vorst experienced the coldest conditions on July 9th, with a minimum temperature of 11.1 degrees Celsius, demonstrating the considerable temperature range that can occur within the Brussels region during summer months.
Precipitation Patterns
Rainfall during July was notably below average, with a total of 81.8 millimeters compared to the normal value of 96.8 millimeters, representing a 15 percent deficit. This drier than usual pattern characterized much of the month. However, the final day of July brought significant precipitation, with Vorst recording 18.5 millimeters on July 31st, the wettest single day of the month. Oudergem emerged as the wettest location overall, accumulating 87.4 millimeters throughout the period.
Sunshine and Notable Features
One of the most striking features of July 2025 was the exceptional sunshine duration. The region enjoyed 394.8 hours of sunshine, significantly exceeding the normal value of 354.5 hours by 11 percent. This above-average sunshine, combined with the warmer temperatures and below-average rainfall, created conditions typical of a pleasant summer month in Brussels.
Overall, July 2025 presented a warm, dry, and sunny month for the Brussels-Capital Region, with temperatures running above normal and sunshine hours well above average, though precipitation fell short of typical values.