Month guide · Porto de Mós, Centro

Porto de Mós (Centro) in December: weather and what to expect

December highs in Porto de Mós (Centro) are now 0.8°C warmer than in 1991-2000. In December, Porto de Mós (Centro) averages highs of 15°C and lows of 8°C, with about 11 rainy days and 95 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-level15°CLow 8°C
Rainy days Town-level1195 mm in total
UV index Modelled2Low at noon on a clear day
Crowds RegionalLowCentro as a whole

Is December a good time to visit?

Good for

No verdicts for Porto de Mós (Centro) in December yet. They only use climate values that are precise enough to judge with.

Not ideal for

  • Reliable dry weather
    About 11 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 high17°C15°C14°C
Average low10°C8°C7°C
Rainy days (at least 1 mm)121111
Total rainfall104 mm95 mm92 mm
Daylight (mid-month)10 h 02 min9 h 24 min9 h 39 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 24 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Porto de Mós
Aljezur, Algarve16°C10254 km
São Marcos da Serra, Algarve16°C9252 km
Odemira, Alentejo16°C9223 km
Mértola, Alentejo16°C7240 km
Vila Nova de Milfontes, Alentejo16°C10209 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 20% (2016-2025 against 1991-2000).

Questions about Porto de Mós (Centro) in December

Is December a good time to visit Porto de Mós (Centro)?

It is less suited to reliable dry weather (about 11 rainy days in the month).

How warm is Porto de Mós (Centro) in December?

Average highs are 15°C and lows 8°C. November averages 17°C and January 14°C.

Does it rain much in Porto de Mós (Centro) in December?

About 11 days have at least 1 mm of rain, with 95 mm in total over the month.

Is Porto de Mós (Centro) 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 Porto de Mós (Centro) in December?

About 9 h 24 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