The best months to visit Brussels are May – Sep. 15–25°C, long sunny days.
Quick facts
Timezone CET (UTC+1) CEST (UTC+2) in summer
Best Months May – Sep 15–25°C, long sunny days
When to go
Because May – Sep is the most popular window to visit Brussels, accommodation and flights fill up fastest then — book a few weeks ahead to lock in better rates and availability. If you prefer fewer crowds, the shoulder weeks on either side of this window are often quieter while staying pleasant. Check the full Brussels guide for packing tips and month-by-month detail before you travel.
Timezone: CET (UTC+1) (CEST (UTC+2) in summer)
Frequently asked questions
When is the best time to visit Brussels?
The best months to visit Brussels are May – Sep — 15–25°C, long sunny days, which makes for the most comfortable conditions for sightseeing and getting around. For what a trip costs day to day, see the Brussels budget breakdown.
