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When to go · Brussels

Brussels in December

Mixed month. Winter markets crowd the centre; book beds early.

Key facts

Verdict
Mixed
Temperature
6°C (43°F) / 2°C (36°F)
average high / low
Rain days
18
Crowds
Medium
Belgium overall
Prices
Medium
Belgium overall

Verdict

MixedVoykit month rating for Brussels

Winter markets crowd the centre; book beds early.

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

Is another month better than December?

December is rated mixed. These months rate higher:

Weather in December

Long-term averages
  • BrusselsHighs around 6 °C (43 °F), lows around 2 °C (36 °F), rain on about 18 days
  • Flanders, Brussels and the coast, Belgium · Bruges, Ghent, Antwerp, Brussels, Ostendcool

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

Winter season

The Christmas markets and light show on the Grand-Place.

Watch: Short, grey days; book beds early for December.

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.

  • Winter Wonders Christmas market

    Late November to early January · Centre streets, De Brouckère to Sainte-Catherine

    Market stalls, a light show on the Grand-Place and an ice rink; centre streets fill in the evenings. Book beds early.

Crowds and prices

Crowds · Belgium overall
Medium
Prices · Belgium overall
Medium

Belgium overall: Christmas markets in Brussels (Winter Wonders), Bruges, Ghent and Liège.

Compare two months

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

  • Verdict

    Dec: Mixed

    May: Great (better)

  • Daytime high

    Dec: 6 °C (43 °F)

    May: 18 °C (64 °F)

  • Night low

    Dec: 2 °C (36 °F)

    May: 9 °C (48 °F)

  • Rain days

    Dec: 18

    May: 13 (better)

  • Crowds

    Dec: Medium

    May: Medium

  • Prices

    Dec: Medium

    May: Medium

  • Festivals listed

    Dec: 1

    May: 2

December: Winter markets crowd the centre; book beds early.

May: Mild and green; good month.

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

What to pack

  • A warm coat, hat and gloves for mornings and evenings
  • A rain jacket or umbrella and shoes that dry fast
  • Layers: a fleece or light jacket

Build the full packing list for your trip →

Across Belgium in December →