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When to go · Cascais

Cascais in August

Avoid month. Listed as a month to avoid: Jul–Aug (crowded, windy afternoons), Nov–Feb (rain).

Key facts

Verdict
Avoid
Temperature
27°C / 17°C
average high / low
Rain days
2
Crowds
High
Portugal overall
Prices
High
Portugal overall

Verdict

AvoidBest and avoid months for Cascais

Listed as a month to avoid: Jul–Aug (crowded, windy afternoons), Nov–Feb (rain).

Weather in August

Long-term averages
  • CascaisHighs around 27 °C, lows around 17 °C, rain on about 2 days
  • Lisbon and the centre, Portugal · Lisbon, Sintra, Cascais, Óbidos, Coimbrahot

    Mild winters with rainy spells; hot, dry summers cooled by Atlantic wind. Sintra is often foggy and 5 °C cooler.

Crowds and prices

Crowds · Portugal overall
High
Prices · Portugal overall
High

Portugal overall: Portuguese and European holidays: Algarve beaches packed, prices at their highest; Lisbon still hot and busy.

High-price month: see what to book ahead.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen

Build the full packing list for your trip →

Across Portugal in August →