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Climate · Valença do Douro

Valença do Douro in December

Cool and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Valença do Douro is cool: highs near 56°F, lows near 40°F. Rain falls on about two days a week, more often as the month goes on, and daylight holds at about 9 hours 15 minutes.December in Valença do Douro is cool: highs near 13°C, lows near 4°C. Rain falls on about two days a week, more often as the month goes on, and daylight holds at about 9 hours 15 minutes.

High
56°F13°Caverage
Low
40°F4°Caverage
Wet days
2a week · 34% of days
Daylight
9h 15mon average

Is December a good time to visit Valença do Douro?

December sits outside Valença do Douro's best months, which run in two parts: May to June, or September to October. Expect cool 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 56°F in December, against 56°F to 90°F through the year.Highs near 13°C in December, against 13°C to 32°C through the year.

Chance of a wet day

34% of days in December, against 12% to 39% through the year.

Cloud cover

64% cover in December, against 24% to 64% through the year.

Daylight

9h 15m in December, against 9h 15m to 15h 05m 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. November63°17°low 46°low 8°3 wet days a weekRain on about three days a week.
  2. December56°13°low 40°low 4°2 wet days a weekRain on about two days a week.
  3. January56°13°low 39°low 4°3 wet days a weekRain on about three days a week.

Where Valença do Douro sits, in December

Europe/Lisbon
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:48 AMsets 5:02 PM
Above the sea
175 mlow-lying
Latitude
41.2°Nnorthern hemisphere
Nearest of ours
Porto88 km west

The land around Valença do Douro, 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 Valença do Douro

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Valença do Douro. 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 (175 m) against the climate model's (394 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 (175 m) against the climate model's (394 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.