Cascais Weather in December

What's the weather like in Cascais (Lisbon) in December 2024?

The climate in Cascais during December can be summarized as mild and wet.

December is in the winter in Cascais and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 9°C (48°F) is normal.

Cascais weather averages (imperial / metric)
Daytime temperature 14.7°C 58.5°F
Nightly temperature 8.9°C 48°F
Average temperature 11.8°C 53.2°F
Daily sunshine 5.1 hrs
Avg rainfall 120 mm 4.7 ins
Rainy days 14 days
Sea temperature 16.8°C 62.2°F
Humidity 80%
Windspeed 14kph 9 mph

On average December is the 4th wettest month of the year in Cascais with around 120mm 4.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.1 hours of sunshine per day.

December temperatures in Cascais

Cascais average temperature in December

December rainfall

Cascais average rain in December

December hourly sunshine

Cascais average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cascais in December 2024.

Other monthly averages

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Cascais weather stats

Cascais weather statistics
Hottest month: August 26.6°C 79.9°F
Driest month: July 7mm 0.3ins
Sunniest month: August 11.6hrs
Coldest month: January 14.2°C 57.6°F
Wettest month: January 123mm 4.8ins
Map showing location of Cascais (38.6979, -9.42146) Cascais map pin © Google

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