Santiago de Compostela weather in October
October in Santiago de Compostela: nice, soaked, with clean air — fine if you can take 15 rainy days.
#9 of 12 months in Santiago de Compostela · #638 of 897 destinations to visit in October · comfort 71/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santiago de Compostela in October
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Santiago de Compostela climate normals — October
| Daytime high | 18°C / 65°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Rainfall | 194 mm / 7.7 in | ⛈ soaked |
| Rainy days | 15 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 7.1 h/day | |
| Daylight | 11 h | |
| Wind | 21 km/h / 13 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santiago de Compostela in October — FAQ
- Is October a good time to visit Santiago de Compostela?
- October in Santiago de Compostela: nice, soaked, with clean air — fine if you can take 15 rainy days. It ranks #9 of 12 months for Santiago de Compostela on SeasonMap's comfort score (71/100).
- What is the weather like in Santiago de Compostela in October?
- In October, Santiago de Compostela averages a daily high of 18.2°C and a low of 11.3°C, with about 194.4 mm of rain over roughly 15.2 rainy days.
- What is the air quality in Santiago de Compostela in October?
- Santiago de Compostela has a mean US Air Quality Index of about 32 in October.