Month guide · Vale da Amoreira, Portugal

Vale da Amoreira in December: weather and what to expect

In December, Vale da Amoreira averages highs of 14°C and lows of 7°C, with about 9 rainy days and 77 mm of rain. Highs are 3°C cooler than in November and 1°C warmer than in January. Crowds in the Alentejo are low.

Based on 1991-2020 climate data · Updated 1 November 2026 · Sources

Average high Town-level14°CLow 7°C
Rainy days Town-level977 mm in total
UV index Modelled2Low at noon on a clear day
Crowds RegionalLowThe Alentejo as a whole

Is December a good time to visit?

Good for

No verdicts for Vale da Amoreira in December yet. They only use climate values that are precise enough to judge with.

Not ideal for

Nothing stands out as a weaker fit.

Daily highs through December

Town-level · ERA5-Land 1991-2020
Usual range (8 in 10 years)Typical high

Highs fall about 1°C over the month. Nights below 0°C in about 1 in 6.

December in detail

Town-level · ERA5-Land
MeasureNovemberDecemberJanuary
Average high17°C14°C13°C
Average low9°C7°C5°C
Rainy days (at least 1 mm)999
Total rainfall79 mm77 mm67 mm
Daylight (mid-month)10 h 05 min9 h 27 min9 h 42 min

Crowds, holidays and daylight

Visitor level RegionalLowNights booked through online platforms in the Alentejo in December 2025: about 15% of the busiest month.

Public holidays in December 2026

  • 1 Dec Restoration of Independence Day
  • 8 Dec Immaculate Conception
  • 25 Dec Christmas Day

Local (municipal) holidays are not included.

Daylight mid-month Exact9 h 27 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Vale da Amoreira
Castro Marim, Algarve16°C7207 km
São Marcos da Serra, Algarve16°C9199 km
Mértola, Alentejo16°C7159 km
Odemira, Alentejo16°C9183 km
Vila Nova de Milfontes, Alentejo16°C10177 km

The nearest towns with a warmer December. Distances are in a straight line.

How December is changing

Town-level · ERA5-Land

December highs are 1.0°C warmer than in 1991-2000, and December rainfall is down about 25% (2016-2025 against 1991-2000).

Questions about Vale da Amoreira in December

How warm is Vale da Amoreira in December?

Average highs are 14°C and lows 7°C. November averages 17°C and January 13°C.

Does it rain much in Vale da Amoreira in December?

About 9 days have at least 1 mm of rain, with 77 mm in total over the month.

Is Vale da Amoreira busy in December?

In December 2025, nights booked through online platforms in the Alentejo were about 15% of the busiest month, which we count as low. The figure is for the whole region and leaves out hotels.

How long are the days in Vale da Amoreira in December?

About 9 h 27 min from sunrise to sunset in the middle of the month.

Sources

Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology