Best time to visit Brussels

• “The best time to visit Brussels is from late April through June, or in September” traveloka.com
• “The best time to travel to Belgium is between April – June or September – October.” bookmundi.com
• “Traveling from April through June will give you access to burgeoning blooms” kimkim.com

5 of the 8 travel guides we read name these months.

1. January43°F / 35°F · 19 rainy daysChecking fares…Lowest of the low season: overcast days and long nights.Hotels cut prices, crowds are at their lowest, and some museums are free on the first Wednesday of the month.Average temperature is about 2 C with cloud and plenty of rain.
2. February45°F / 35°F · 17 rainy daysChecking fares…Carnival and the Brussels Light Festival fall in February.Mardi Gras sometimes falls at the end of February.
3. March52°F / 38°F · 16 rainy daysChecking fares…Wet conditions are expected; room rates tend to be low before Easter season.Beer gardens and terraces start coming back to life.
4. Best timeApril59°F / 43°F · 13 rainy daysChecking fares…Driest month on average in Brussels.Few foreign tourists; Belgian families on Easter holidays are the main crowd.Floralia flower show at Groot-Bijgaarden castle runs in spring, and the Royal Greenhouses of Laeken open for a few weeks.
5. Best timeMay65°F / 49°F · 15 rainy daysChecking fares…Pride, the Zinneke Parade and long weekends around Ascension and Pentecost.Iris Festival fills the city in May.
6. Best timeJune70°F / 54°F · 14 rainy daysChecking fares…A number of music and art festivals arrive in June, bringing a party atmosphere.Longest daylight of the year, average high about 21 C.Ommegang Brussels
7. July74°F / 57°F · 14 rainy daysChecking fares…Peak summer-holiday crowds; Belgian National Day is July 21.July is the rainiest month along with December.
8. August73°F / 57°F · 14 rainy daysChecking fares…One of the warmest and wettest months, peak tourist season, with the Brussels Summer Festival.The biennial Flower Carpet at Grand-Place is listed for 13-16 August 2026.
9. Best timeSeptember67°F / 52°F · 14 rainy daysChecking fares…Best chance of good weather in autumn.Brussels Beer Weekend is in September and Heritage Days open buildings free.Noticeably fewer crowds than summer, with Heritage Days usually the third weekend.
10. October59°F / 47°F · 16 rainy daysChecking fares…Cooling to about 15 C average high with rain picking up.Autumn colour at Parc du Cinquantenaire.
11. November50°F / 40°F · 18 rainy daysChecking fares…Hotel prices and crowds are low.Christmas markets start to stir at the very end of autumn.Winter Wonders
12. December44°F / 36°F · 19 rainy daysChecking fares…Winter Wonders Christmas market runs from late November to the first week of January.December is worth braving the cold for the Christmas market atmosphere around Grand Place.

Weather: Brussels averages (1991 to 2020 averages), as listed in its climate table on Wikipedia.

• Ommegang BrusselsBrusselsEvery June to July
• Winter WondersGrand-Place and Place Sainte-Catherine, BrusselsEvery November to January

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