October weather forecast
Brussels, Belgium

As fall progresses in Brussels, October sees a significant drop in temperatures, the average high reducing to 14.7°C (58.5°F). Coupled with diminishing sunlight and daylight hours, autumn becomes much more pronounced. The weather necessitates an essential wardrobe transition, incorporating warmer clothing and waterproofs. Be prepared for rain, as the number of precipitation days increases from the preceding month. The city dons a charming blend of red, orange, and yellow as autumn takes firm hold.

Temperature

Brussels records a mild change in average high-temperature during October, easing from an enjoyable 19°C (66.2°F) in September to a still refreshing 14.7°C (58.5°F). Nightly temperatures drop to an average low of 7.8°C (46°F) in October.

Humidity

In Brussels, the average relative humidity in October is 84.6%.

Rainfall

In Brussels, in October, during 16.6 rainfall days, 75mm (2.95") of precipitation is typically accumulated. Throughout the year, there are 199.6 rainfall days, and 853mm (33.58") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Brussels, the average length of the day in October is 10h and 42min.
On the first day of October, sunrise is at 07:43 and sunset at 19:20 CEST. On the last day of the month, sunrise is at 07:33 and sunset at 17:18 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.

Sunshine

In October, the average sunshine is 3.6h.

UV index

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during October translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.