Month guide · Sernancelhe, Portugal

Sernancelhe in December: weather and what to expect

In December, Sernancelhe averages highs of 10°C and lows of 3°C, with about 10 rainy days and 81 mm of rain. Highs are 3°C cooler than in November and 1°C warmer than in January. Crowds in Norte are low.

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

Average high Town-level10°CLow 3°C
Rainy days Town-level1081 mm in total
UV index Modelled1Low at noon on a clear day
Crowds RegionalLowNorte as a whole

Is December a good time to visit?

Good for

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

Not ideal for

  • Warm-weather holidays
    Highs of only 9°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. A day above 15°C happens in roughly 1 December in 6.

December in detail

Town-level · ERA5-Land
MeasureNovemberDecemberJanuary
Average high12°C10°C9°C
Average low5°C3°C2°C
Rainy days (at least 1 mm)111010
Total rainfall81 mm81 mm77 mm
Daylight (mid-month)9 h 56 min9 h 16 min9 h 32 min

Crowds, holidays and daylight

Visitor level RegionalLowNights booked through online platforms in Norte 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 16 minSunrise to sunset, calculated from the town's coordinates.
PlaceHighRain daysFrom Sernancelhe
Castro Marim, Algarve16°C7409 km
São Marcos da Serra, Algarve16°C9401 km
Mértola, Alentejo16°C7362 km
Odemira, Alentejo16°C9380 km
Vila Nova de Milfontes, Alentejo16°C10370 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 0.6°C warmer than in 1991-2000, and December rainfall is down about 25% (2016-2025 against 1991-2000).

Questions about Sernancelhe in December

Is December a good time to visit Sernancelhe?

It is less suited to warm-weather holidays (highs of only 9°C).

How warm is Sernancelhe in December?

Average highs are 10°C and lows 3°C. November averages 12°C and January 9°C.

Does it rain much in Sernancelhe in December?

About 10 days have at least 1 mm of rain, with 81 mm in total over the month.

Is Sernancelhe busy in December?

In December 2025, nights booked through online platforms in Norte 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 Sernancelhe in December?

About 9 h 16 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