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Weather Averages for Lisbon in December
Averages for Lisbon in December
December is one of the coolest months of the year in Lisbon, but as Portugal enjoys a subtropical Mediterranean climate, the temperature stays fairly mild.The average temperature reaches up to around 14°C (that's about 57°F), and at night can dip as low as 8°C (about 46°F).
The average monthly rain is around 106mm and there is about 5 hours of average daily sunshine.
The average sea temperature is about 17°C (about 62°F), and combined with the cooler temperatures and likelihood of rain, it is not recommended that you go swimming.
The weather can be fairly changeable so it is a good idea to check the local weather forecast before you travel.
Many people who enjoy running head to Lisbon in December for the Lisbon Marathon.

