Brussels Weather: Mild, Wet, and Changeable
Brussels enjoys a temperate oceanic (Cfb) climate—cool winters, mild summers, rain year-round.
Seasonal Snapshot
- Spring (Mar–May): 8–16°C (46–61°F). Blooming parks, frequent showers, increasing sun.
- Summer (Jun–Aug): 14–23°C (57–73°F). Heatwaves >30°C possible but brief. Long days (solstice: 5:30 AM – 10:00 PM).
- Autumn (Sep–Nov): 15→7°C (59→45°F). Golden parks, misty mornings, rain picks up.
- Winter (Dec–Feb): 1–6°C (34–43°F). Grey, drizzle, occasional snow (rarely sticks >1 day). Short days (solstice: 8:45 AM – 4:30 PM).
Rain
~200 days/year with precipitation (~820 mm / 32 in). Always carry a compact umbrella.
Best Visit
May–June or September: pleasant temps, long light, fewer crowds than July/August. December for Christmas markets.
Wanderlust World