Month guide · Trafaria, Portugal

Trafaria in December: weather and what to expect

In December, Trafaria averages highs of 15°C and lows of 11°C, with about 10 rainy days and 81 mm of rain. Highs are 2°C cooler than in November and 1°C warmer than in January. Crowds in the Lisbon area are medium. These are regional figures for the wider area.

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

Average high Regional15°CLow 11°C
Sea temperature Modelled16°COpen sea nearby, average for the month
Rainy days Regional1081 mm in total
UV index Modelled2Low at noon on a clear day
Crowds RegionalMediumThe Lisbon area as a whole

Is December a good time to visit?

Good for

No verdicts for Trafaria 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

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

Highs fall about 1°C over the month. Nights below 5°C in about 1 in 4.

December in detail

Regional · ERA5-Land
MeasureNovemberDecemberJanuary
Average high17°C15°C14°C
Average low13°C11°C10°C
Rainy days (at least 1 mm)111010
Total rainfall85 mm81 mm70 mm
Daylight (mid-month)10 h 06 min9 h 29 min9 h 44 min

Crowds, holidays and daylight

Visitor level RegionalMediumNights booked through online platforms in the Lisbon area in December 2025: about 45% 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 29 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Trafaria
Aljezur, Algarve16°C10155 km
Bensafrim, Algarve16°C9174 km
São Marcos da Serra, Algarve16°C9164 km
Odemira, Alentejo16°C9130 km
Vila Nova de Milfontes, Alentejo16°C10113 km

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

How December is changing

Regional · ERA5-Land

December highs are 0.5°C warmer than in 1991-2000, and December rainfall is down about 25% (2016-2025 against 1991-2000).

Questions about Trafaria in December

How warm is Trafaria in December?

Average highs are 15°C and lows 11°C. November averages 17°C and January 14°C. These are regional figures for the wider area.

Does it rain much in Trafaria in December?

About 10 days have at least 1 mm of rain, with 81 mm in total over the month. These are regional figures for the wider area.

Is Trafaria busy in December?

In December 2025, nights booked through online platforms in the Lisbon area were about 45% of the busiest month, which we count as medium. The figure is for the whole region and leaves out hotels.

How long are the days in Trafaria in December?

About 9 h 29 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