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When to go · Brussels

Brussels in August

Mixed month. Warm; some restaurants close for holidays.

Key facts

Verdict
Mixed
Temperature
23°C (73°F) / 14°C (57°F)
average high / low
Rain days
13
Crowds
High
Belgium overall
Prices
Medium
Belgium overall

Verdict

MixedVoykit month rating for Brussels

Warm; some restaurants close for holidays.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

Is another month better than August?

August is rated mixed. These months rate higher:

Weather in August

Long-term averages
  • BrusselsHighs around 23 °C (73 °F), lows around 14 °C (57 °F), rain on about 13 days
  • Flanders, Brussels and the coast, Belgium · Bruges, Ghent, Antwerp, Brussels, Ostendbest weather

    Mild, cloudy and damp; summers around 22–25 °C (72–77 °F) with occasional heatwaves. December Christmas markets offset dark afternoons.

Summer season

Warm without being hot; Ommegang, National Day and outdoor terraces.

Watch: Some restaurants close for a few weeks around August for holidays.

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Meyboom check

    9 August · Near the Grand-Place

    A centuries-old tradition of planting a tree; small local celebration, minor street closures.

  • Flower Carpet on the Grand-Place

    Mid-August, every even-numbered year · Grand-Place

    The square is covered in begonias and closed to crossing traffic for a weekend; hotels sell out.

Crowds and prices

Crowds · Belgium overall
High
Prices · Belgium overall
Medium

Belgium overall: Brussels Flower Carpet on the Grand-Place in even years (next 2028); Brussels hotels cheap without EU business.

Compare two months

Weather, crowds and prices for any two months in Brussels, side by side.

  • Verdict

    Aug: Mixed

    May: Great (better)

  • Daytime high

    Aug: 23 °C (73 °F)

    May: 18 °C (64 °F)

  • Night low

    Aug: 14 °C (57 °F)

    May: 9 °C (48 °F)

  • Rain days

    Aug: 13

    May: 13

  • Crowds

    Aug: High

    May: Medium

  • Prices

    Aug: Medium

    May: Medium

  • Festivals listed

    Aug: 2

    May: 2

August: Warm; some restaurants close for holidays.

May: Mild and green; good month.

Brussels: figures are long-term averages from this guide, not a forecast.

What to pack

  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Belgium in August →