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Climate · Coimbra

Coimbra in December

Mild and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Coimbra is mild: highs near 62°F, lows near 43°F. Rain falls on about three days a week, more often as the month goes on, and daylight holds at about 9 hours 21 minutes.December in Coimbra is mild: highs near 17°C, lows near 6°C. Rain falls on about three days a week, more often as the month goes on, and daylight holds at about 9 hours 21 minutes.

High
62°F17°Caverage
Low
43°F6°Caverage
Wet days
3a week · 38% of days
Daylight
9h 21mon average

Is December a good time to visit Coimbra?

December sits outside Coimbra's best months, which run in two parts: May to June, or September to October. Expect mild days and rain on about three 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 88°F through the year.Highs near 17°C in December, against 16°C to 31°C through the year.

Chance of a wet day

38% of days in December, against 9% to 44% through the year.

Cloud cover

57% cover in December, against 20% to 57% through the year.

Daylight

9h 21m in December, against 9h 21m to 14h 59m 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 48°low 9°3 wet days a weekRain on about three days a week.
  2. December62°17°low 43°low 6°3 wet days a weekRain on about three days a week.
  3. January60°16°low 41°low 5°3 wet days a weekRain on about three days a week.

Where Coimbra sits, in December

Europe/Lisbon
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:49 AMsets 5:09 PM
Above the sea
20 mlow-lying
Latitude
40.2°Nnorthern hemisphere
Nearest of ours
Porto106 km north

The land around Coimbra, 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 Coimbra

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Coimbra. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (20 m) against the climate model's (125 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (20 m) against the climate model's (125 m). 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.