Month guide · Castelo Branco, Centro

Castelo Branco (Centro) in December: weather and what to expect

December highs in Castelo Branco (Centro) are now 0.9°C warmer than in 1991-2000. In December, Castelo Branco (Centro) averages highs of 12°C and lows of 4°C, with about 9 rainy days and 86 mm of rain. Highs are 3°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-level12°CLow 4°C
Rainy days Town-level986 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 Castelo Branco (Centro) in December yet. They only use climate values that are precise enough to judge with.

Not ideal for

  • Warm-weather holidays
    Highs of only 12°C

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 high15°C12°C12°C
Average low7°C4°C3°C
Rainy days (at least 1 mm)999
Total rainfall86 mm86 mm71 mm
Daylight (mid-month)10 h 01 min9 h 22 min9 h 38 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 22 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Castelo Branco
Castro Marim, Algarve16°C7289 km
São Marcos da Serra, Algarve16°C9284 km
Mértola, Alentejo16°C7243 km
Odemira, Alentejo16°C9267 km
Vila Nova de Milfontes, Alentejo16°C10259 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 0.9°C warmer than in 1991-2000, and December rainfall is down about 25% (2016-2025 against 1991-2000).

Questions about Castelo Branco (Centro) in December

Is December a good time to visit Castelo Branco (Centro)?

It is less suited to warm-weather holidays (highs of only 12°C).

How warm is Castelo Branco (Centro) in December?

Average highs are 12°C and lows 4°C. November averages 15°C and January 12°C.

Does it rain much in Castelo Branco (Centro) in December?

About 9 days have at least 1 mm of rain, with 86 mm in total over the month.

Is Castelo Branco (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 Castelo Branco (Centro) in December?

About 9 h 22 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