Sintra weather in October
October in Sintra: nice, a little rain, with clean air — an excellent time to visit.
#8 of 12 months in Sintra · #301 of 897 destinations to visit in October · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sintra in October
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Sintra climate normals — October
| Daytime high | 19°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Rainfall | 62 mm / 2.4 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 8.7 h/day | |
| Daylight | 11.2 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Sintra in October — FAQ
- Is October a good time to visit Sintra?
- October in Sintra: nice, a little rain, with clean air — an excellent time to visit. It ranks #8 of 12 months for Sintra on SeasonMap's comfort score (84/100).
- What is the weather like in Sintra in October?
- In October, Sintra averages a daily high of 19.4°C and a low of 15.7°C, with about 62.1 mm of rain over roughly 9.2 rainy days.
- What is the air quality in Sintra in October?
- Sintra has a mean US Air Quality Index of about 43 in October.