When to go · Brussels
Brussels in May
Great month. Mild and green; good month.
Key facts
- Verdict
- Great
- Temperature
- 18°C (64°F)64°F (18°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 13
- Crowds
- Medium
- Belgium overall
- Prices
- Medium
- Belgium overall
Verdict
Mild and green; good month.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than May?
No other month rates higher than May for Brussels in this guide.
Weather in May
- BrusselsHighs around 18 °C (64 °F), lows around 9 °C (48 °F), rain on about 13 daysHighs around 64 °F (18 °C), lows around 48 °F (9 °C), 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.Mild, cloudy and damp; summers around 72–77 °F (22–25 °C) with occasional heatwaves. December Christmas markets offset dark afternoons.
Spring season
Longer days, the Iris Festival and, some years, the Zinneke Parade.
Watch: Rain showers can arrive with little warning.
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.
Iris Festival check
Around 8 May · Citywide
Regional holiday marking the Brussels-Capital Region; some closures and events.
Zinneke Parade check
Every second year, spring · Streets across the centre
A large community parade with costumes and music; road closures on the route.
Crowds and prices
- Crowds · Belgium overall
- Medium
- Prices · Belgium overall
- Medium
Belgium overall: Mild; Brussels Jazz Weekend and outdoor terraces; long weekends fill Bruges.
Compare two months
Weather, crowds and prices for any two months in Brussels, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 18 °C (64 °F)64 °F (18 °C)
Jun: 21 °C (70 °F)70 °F (21 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Jun: 12 °C (54 °F)54 °F (12 °C)
Rain days
May: 13
Jun: 12 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: Medium
Festivals listed
May: 2
Jun: 0
May: Mild and green; good month.
June: Warm, long days.
Brussels: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast