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When to go · Viana do Castelo

Viana do Castelo in May

Great month. Inside Viana do Castelo's best window: May–Sep.

Key facts

Verdict
Great
Temperature
20°C (68°F) / 11°C (52°F)
average high / low
Rain days
10
Crowds
Medium
Portugal overall
Prices
Medium
Portugal overall

Verdict

GreatBest and avoid months for Viana do Castelo

Inside Viana do Castelo's best window: May–Sep.

Is another month better than May?

No other month rates higher than May for Viana do Castelo in this guide.

Weather in May

Long-term averages
  • Viana do CasteloHighs around 20 °C (68 °F), lows around 11 °C (52 °F), rain on about 10 days

Crowds and prices

Crowds · Portugal overall
Medium
Prices · Portugal overall
Medium

Portugal overall: Among the best months: warm, long days, beaches not yet full.

Compare two months

Weather, crowds and prices for any two months in Viana do Castelo, side by side.

  • Verdict

    May: Great

    Jun: Great

  • Daytime high

    May: 20 °C (68 °F)

    Jun: 24 °C (75 °F)

  • Night low

    May: 11 °C (52 °F)

    Jun: 14 °C (57 °F)

  • Rain days

    May: 10

    Jun: 6 (better)

  • Crowds

    May: Medium

    Jun: High

  • Prices

    May: Medium

    Jun: High

  • Festivals listed

    May: 0

    Jun: 1

May: Inside Viana do Castelo's best window: May–Sep.

June: Inside Viana do Castelo's best window: May–Sep.

Viana do Castelo: 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

Build the full packing list for your trip →

Across Portugal in May →