Month guide · Valongo, Centro
Valongo (Centro) in December: weather and what to expect
In December, Valongo (Centro) averages highs of 14°C and lows of 7°C, with about 12 rainy days and 159 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 Valongo (Centro) 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. Nights below 0°C in about 1 in 5.
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 Valongo |
|---|---|---|---|
| Aljezur, Algarve | 16°C | 10 | 368 km |
| São Marcos da Serra, Algarve | 16°C | 9 | 362 km |
| Odemira, Alentejo | 16°C | 9 | 336 km |
| Mértola, Alentejo | 16°C | 7 | 338 km |
| Vila Nova de Milfontes, Alentejo | 16°C | 10 | 323 km |
The nearest towns with a warmer December. Distances are in a straight line.
How December is changing
Town-level · ERA5-LandDecember highs are 0.8°C warmer than in 1991-2000, and December rainfall is down about 25% (2016-2025 against 1991-2000).
Questions about Valongo (Centro) in December
Is December a good time to visit Valongo (Centro)?
It is less suited to reliable dry weather (about 12 rainy days in the month).
How warm is Valongo (Centro) in December?
Average highs are 14°C and lows 7°C. November averages 16°C and January 13°C.
Does it rain much in Valongo (Centro) in December?
About 12 days have at least 1 mm of rain, with 159 mm in total over the month.
Is Valongo (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 Valongo (Centro) in December?
About 9 h 18 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