Porto weather in October
October in Porto: nice, soaked, with clean air — a great time to visit.
#9 of 12 months in Porto · #359 of 604 destinations to visit in October · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Porto climate normals — October
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 14°C / 57°F | |
| Feels like (high) | 20°C / 68°F | |
| Rainfall | 222 mm / 8.7 in | ⛈ soaked |
| Rainy days | 14 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 7.8 h/day | |
| Daylight | 11.1 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Porto in October — FAQ
- Is October a good time to visit Porto?
- October in Porto: nice, soaked, with clean air — a great time to visit. It ranks #9 of 12 months for Porto on SeasonMap's comfort score (73/100).
- What is the weather like in Porto in October?
- In October, Porto averages a daily high of 20.5°C and a low of 14°C, with about 222.1 mm of rain over roughly 14.4 rainy days.
- What is the air quality in Porto in October?
- Porto has a mean US Air Quality Index of about 47 in October.