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Climate · Lisbon

Lisbon in December

Mild and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Lisbon is mild: highs near 62°F, lows near 51°F. Rain falls on about two days a week, and daylight holds at about 9 hours 30 minutes.December in Lisbon is mild: highs near 17°C, lows near 11°C. Rain falls on about two days a week, and daylight holds at about 9 hours 30 minutes.

High
62°F17°Caverage
Low
51°F11°Caverage
Wet days
2a week · 33% of days
Daylight
9h 30mon average

Is December a good time to visit Lisbon?

December sits outside Lisbon's best months, which run in two parts: May to July, or September. Expect mild days and rain on about two days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 62°F in December, against 60°F to 83°F through the year.Highs near 17°C in December, against 16°C to 28°C through the year.

Chance of a wet day

33% of days in December, against 4% to 35% through the year.

Cloud cover

54% cover in December, against 14% to 54% through the year.

Daylight

9h 30m in December, against 9h 30m to 14h 50m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November67°19°low 56°low 13°2 wet days a weekRain on about two days a week.
  2. December62°17°low 51°low 11°2 wet days a weekRain on about two days a week.
  3. January60°16°low 50°low 10°2 wet days a weekRain on about two days a week.

Where Lisbon sits, in December

Europe/Lisbon
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:47 AMsets 5:16 PM
Above the sea
0 mlow-lying
Latitude
38.7°Nnorthern hemisphere
Nearest of ours
Melides72 km south-east

The land around Lisbon, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Portugal in December

high · low · wet days
See December on the planning mapThe whole year in Lisbon

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Lisbon. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.