Weather in Lisbon in December
December in Lisbon is cool with average temperatures around 13.6°C (56.5°F). Moderate rainfall of 65mm spread over 10 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
15.4°C
59.7°F
Low
11.8°C
53.2°F
Precipitation
65 mm
2.5 inches
~10 rainy days
Conditions
Humidity
82%
Comparison to Adjacent Months
December is 28mm drier than November.