When to go · Cascais

Cascais in December

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

Key facts

Verdict: Avoid
Temperature: 16°C (61°F)61°F (16°C) / 9°C (48°F)48°F (9°C); average high / low
Rain days: 14
Crowds: Medium; Portugal overall
Prices: Medium; Portugal overall

Plan around it

Verdict

AvoidBest and avoid months for Cascais

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

December is rated avoid. These months rate higher:

Long-term averages

CascaisHighs around 16 °C (61 °F), lows around 9 °C (48 °F), rain on about 14 daysHighs around 61 °F (16 °C), lows around 48 °F (9 °C), rain on about 14 days
Lisbon and the centre, Portugal · Lisbon, Sintra, Cascais, Óbidos, Coimbrarainy
Mild winters with rainy spells; hot, dry summers cooled by Atlantic wind. Sintra is often foggy and 5 °C (9 °F) cooler.Mild winters with rainy spells; hot, dry summers cooled by Atlantic wind. Sintra is often foggy and 9 °F (5 °C) cooler.

Portugal overall: Christmas lights; Madeira's New Year fireworks sell out Funchal a year ahead.

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

First month

Second month

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

May: Inside Cascais's best window: May–Jun, Sep–Oct.

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