Skip to content
Voykit

When to go · Spa

Spa in May

Great month. Inside Spa's best window: May–Sep (warm, events, open baths).

Key facts

Verdict
Great
Temperature
17°C (63°F) / 8°C (46°F)
average high / low
Rain days
8
Crowds
Medium
Belgium overall
Prices
Medium
Belgium overall

Verdict

GreatBest and avoid months for Spa

Inside Spa's best window: May–Sep (warm, events, open baths).

Is another month better than May?

No other month rates higher than May for Spa in this guide.

Weather in May

Long-term averages
  • SpaHighs around 17 °C (63 °F), lows around 8 °C (46 °F), rain on about 8 days

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 Spa, side by side.

  • Verdict

    May: Great

    Jun: Great

  • Daytime high

    May: 17 °C (63 °F)

    Jun: 20 °C (68 °F)

  • Night low

    May: 8 °C (46 °F)

    Jun: 11 °C (52 °F)

  • Rain days

    May: 8

    Jun: 7 (better)

  • Crowds

    May: Medium

    Jun: High

  • Prices

    May: Medium

    Jun: Medium

  • Festivals listed

    May: 0

    Jun: 0

May: Inside Spa's best window: May–Sep (warm, events, open baths).

June: Inside Spa's best window: May–Sep (warm, events, open baths).

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

What to pack

  • A warm layer for the evenings

Build the full packing list for your trip →

Across Belgium in May →