Month guide · Vieira de Leiria, Portugal
Vieira de Leiria in December: weather and what to expect
In December, Vieira de Leiria averages highs of 14°C and lows of 9°C, with about 12 rainy days and 111 mm of rain. Highs are 2°C cooler than in November and 1°C warmer than in January. Crowds in Centro are low.
Is December a good time to visit?
Good for
No verdicts for Vieira de Leiria in December yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 12 rainy days in the month
Daily highs through December
Town-level · ERA5-Land 1991-2020Highs fall about 1°C over the month.
December in detail
Town-level · ERA5-LandCrowds, holidays and daylight
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.
Warmer in December
Where is warm in December →| Place | High | Rain days | From Vieira de Leiria |
|---|---|---|---|
| Aljezur, Algarve | 16°C | 10 | 284 km |
| São Marcos da Serra, Algarve | 16°C | 9 | 283 km |
| Odemira, Alentejo | 16°C | 9 | 254 km |
| Mértola, Alentejo | 16°C | 7 | 271 km |
| Vila Nova de Milfontes, Alentejo | 16°C | 10 | 239 km |
The nearest towns with a warmer December. Distances are in a straight line.
How December is changing
Town-level · ERA5-LandDecember highs are 0.7°C warmer than in 1991-2000, and December rainfall is down about 20% (2016-2025 against 1991-2000).
Questions about Vieira de Leiria in December
Is December a good time to visit Vieira de Leiria?
It is less suited to reliable dry weather (about 12 rainy days in the month).
How warm is Vieira de Leiria in December?
Average highs are 14°C and lows 9°C. November averages 16°C and January 14°C.
Does it rain much in Vieira de Leiria in December?
About 12 days have at least 1 mm of rain, with 111 mm in total over the month.
Is Vieira de Leiria 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 Vieira de Leiria 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