Month guide · Marco da Oliveirinha, Portugal

Marco da Oliveirinha in December: weather and what to expect

In December, Marco da Oliveirinha averages highs of 14°C and lows of 7°C, with about 12 rainy days and 143 mm of rain. Highs are 2°C cooler than in November and 1°C warmer than in January. Crowds in Centro are low.

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

Average high Town-level14°CLow 7°C
Rainy days Town-level12143 mm in total
UV index Modelled1Low at noon on a clear day
Crowds RegionalLowCentro as a whole

Is December a good time to visit?

Good for

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

Not ideal for

  • Reliable dry weather
    About 12 rainy days in the month

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.

December in detail

Town-level · ERA5-Land
MeasureNovemberDecemberJanuary
Average high16°C14°C13°C
Average low10°C7°C6°C
Rainy days (at least 1 mm)131212
Total rainfall143 mm143 mm134 mm
Daylight (mid-month)9 h 58 min9 h 18 min9 h 34 min

Crowds, holidays and daylight

Visitor level RegionalLowNights booked through online platforms in Centro in December 2025: about 35% 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 18 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Marco da Oliveirinha
Aljezur, Algarve16°C10367 km
São Marcos da Serra, Algarve16°C9362 km
Odemira, Alentejo16°C9335 km
Mértola, Alentejo16°C7341 km
Vila Nova de Milfontes, Alentejo16°C10322 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 0.8°C warmer than in 1991-2000, and December rainfall is down about 25% (2016-2025 against 1991-2000).

Questions about Marco da Oliveirinha in December

Is December a good time to visit Marco da Oliveirinha?

It is less suited to reliable dry weather (about 12 rainy days in the month).

How warm is Marco da Oliveirinha in December?

Average highs are 14°C and lows 7°C. November averages 16°C and January 13°C.

Does it rain much in Marco da Oliveirinha in December?

About 12 days have at least 1 mm of rain, with 143 mm in total over the month.

Is Marco da Oliveirinha busy in December?

In December 2025, nights booked through online platforms in Centro were about 35% 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 Marco da Oliveirinha in December?

About 9 h 18 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