Lisbon Weather in December

What's the weather like in Lisbon, Portugal in December 2019?

The climate in Lisbon during December can be summarized as mild and damp.

December is in the winter in Lisbon 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.

Lisbon weather averages (imperial / metric)
Daytime temperature 15.1°C 59.1°F
Nightly temperature 9°C 48.1°F
Average temperature 12°C 53.6°F
Daily sunshine 5.1 hrs
Avg rainfall 106 mm 4.2 ins
Rainy days 14 days
Sea temperature 16.8°C 62.2°F
Humidity 80%
Windspeed 13.7kph 9 mph

On average December is the 4th wettest month of the year in Lisbon with around 106mm 4.2 inches of rain making it a damp 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 Lisbon

December rainfall

December hourly sunshine

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 December 2019.

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Lisbon weather stats

Lisbon weather statistics
Hottest month: August 28°C 82.4°F
Driest month: July 4mm 0.2ins
Sunniest month: August 11.8hrs
Coldest month: January 14.7°C 58.5°F
Wettest month: November 111mm 4.4ins
Map showing location of Lisbon (38.71667, -9.13333)

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