Month guide · Sintra, Portugal
Sintra in October: weather and what to expect
In October, Sintra averages highs of 19°C and lows of 15°C, with about 10 rainy days and 86 mm of rain. Highs are 2°C cooler than in September and 3°C warmer than in November. Crowds in the Lisbon area are high.
Is October a good time to visit?
Good for
No verdicts for Sintra in October yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 10 rainy days in the month
Daily highs through October
Town-level · ERA5-Land 1991-2020Highs fall about 2°C over the month.
October in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in October 2027
- 5 Oct Republic Day
Local (municipal) holidays are not included.
Warmer in October
Where is warm in October →| Place | High | Rain days | From Sintra |
|---|---|---|---|
| Benavente, Oeste e Vale do Tejo | 23°C | 9 | 53 km |
| Samora Correia, Oeste e Vale do Tejo | 23°C | 9 | 46 km |
| Alhandra, Lisbon area | 22°C | 10 | 35 km |
| Vila Franca de Xira, Lisbon area | 22°C | 10 | 38 km |
| Carregado, Oeste e Vale do Tejo | 22°C | 10 | 43 km |
The nearest towns with a warmer October. Distances are in a straight line.
How October is changing
Town-level · ERA5-LandOctober highs are 1.3°C warmer than in 1991-2000, and October rainfall is down about 15% (2016-2025 against 1991-2000). Days above 20°C in October went from 4.7 to 11 a year on average.
Questions about Sintra in October
Is October a good time to visit Sintra?
It is less suited to reliable dry weather (about 10 rainy days in the month).
How warm is Sintra in October?
Average highs are 19°C and lows 15°C. September averages 21°C and November 16°C.
Does it rain much in Sintra in October?
About 10 days have at least 1 mm of rain, with 86 mm in total over the month.
Is Sintra busy in October?
In October 2025, nights booked through online platforms in the Lisbon area were about 75% of the busiest month, which we count as high. The figure is for the whole region and leaves out hotels.
How long are the days in Sintra in October?
About 11 h 15 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