Month guide · Sintra, Portugal
Sintra in January: weather and what to expect
In January, Sintra averages highs of 13°C and lows of 10°C, with about 11 rainy days and 85 mm of rain. Highs are 1°C cooler than in December and about the same as in February. Crowds in the Lisbon area are medium.
Is January a good time to visit?
Good for
No verdicts for Sintra in January yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 11 rainy days in the month
Daily highs through January
Town-level · ERA5-Land 1991-2020Highs fall about 1°C over the month. Nights below 5°C in about 1 in 3.
January in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in January 2027
- 1 Jan New Year's Day
Local (municipal) holidays are not included.
Warmer in January
Where is warm in January →| Place | High | Rain days | From Sintra |
|---|---|---|---|
| Aljezur, Algarve | 15°C | 9 | 173 km |
| Bensafrim, Algarve | 15°C | 8 | 191 km |
| São Marcos da Serra, Algarve | 15°C | 8 | 183 km |
| Odemira, Alentejo | 15°C | 8 | 149 km |
| Ermidas, Alentejo | 15°C | 8 | 125 km |
The nearest towns with a warmer January. Distances are in a straight line.
How January is changing
Town-level · ERA5-LandJanuary highs are 0.6°C warmer than in 1991-2000, and January rainfall is down about 30% (2016-2025 against 1991-2000).
Questions about Sintra in January
Is January a good time to visit Sintra?
It is less suited to reliable dry weather (about 11 rainy days in the month).
How warm is Sintra in January?
Average highs are 13°C and lows 10°C. December averages 14°C and February 14°C.
Does it rain much in Sintra in January?
About 11 days have at least 1 mm of rain, with 85 mm in total over the month.
Is Sintra busy in January?
In January 2025, nights booked through online platforms in the Lisbon area were about 35% 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 Sintra in January?
About 9 h 44 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