Santiago de Compostela weather in January
January in Santiago de Compostela: cool, rainy, with clean air — a good time to visit.
#11 of 12 months in Santiago de Compostela · #608 of 897 destinations to visit in January · comfort 62/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Santiago de Compostela in January
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Santiago de Compostela climate normals — January
| Daytime high | 11°C / 52°F | 🙂 cool |
|---|---|---|
| Nighttime low | 4°C / 39°F | |
| Rainfall | 136 mm / 5.3 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 5.9 h/day | |
| Daylight | 9.4 h | |
| Wind | 20 km/h / 13 mph | |
| Air quality (US AQI) | 29 | 🍃 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 January — FAQ
- Is January a good time to visit Santiago de Compostela?
- January in Santiago de Compostela: cool, rainy, with clean air — a good time to visit. It ranks #11 of 12 months for Santiago de Compostela on SeasonMap's comfort score (62/100).
- What is the weather like in Santiago de Compostela in January?
- In January, Santiago de Compostela averages a daily high of 11°C and a low of 3.7°C, with about 135.5 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Santiago de Compostela in January?
- Santiago de Compostela has a mean US Air Quality Index of about 29 in January.