October 2025 Weather Report: Brussels Hoofdstedelijk Gewest
October brought cooler and drier conditions to Brussels Hoofdstedelijk Gewest compared to historical averages. The month was characterized by below-normal temperatures, reduced sunshine, and slightly lower precipitation levels, creating typical autumn weather patterns across the Belgian capital region.
Temperature Overview
The average temperature for October 2025 reached 12.1 degrees Celsius, falling 0.7 degrees below the normal value of 12.8 degrees. This modest temperature deficit reflects the cooler nature of the month. The warmest day occurred on October 2nd in Anderlecht, where temperatures climbed to 18.0 degrees Celsius. In contrast, the coldest conditions were recorded on October 26th in Vorst, with temperatures dropping to approximately 4.7 degrees Celsius, marking a significant temperature range of 13.3 degrees throughout the month.
Precipitation Patterns
October experienced 88.5 millimeters of rainfall across the region, representing an 8 percent decrease from the normal monthly total of 96.0 millimeters. While precipitation remained relatively close to average, it was distributed unevenly throughout the month. The wettest single day occurred on October 23rd in Vorst, with 24.0 millimeters of rain recorded. Among the various locations monitored, Ganshoren received the highest total precipitation with 92.0 millimeters for the entire month.
Sunshine Duration
Sunshine hours were notably deficient during October, with only 133.2 hours recorded compared to the normal expectation of 169.2 hours. This represents a 21 percent reduction in sunshine, indicating frequent cloud cover and overcast conditions typical of autumn weather in Brussels.
Notable Observations
The combination of below-average temperatures, reduced sunshine, and slightly lower precipitation created conditions characteristic of a transitional autumn month. The temperature extremes, ranging from 4.7 to 18.0 degrees Celsius, demonstrate the variability inherent in October weather patterns across different districts of the capital region.