Santiago weather in January
January in Santiago: hot, dry — an excellent time to visit.
#3 of 12 months in Santiago · #20 of 604 destinations to visit in January · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Santiago climate normals — January
| Daytime high | 27°C / 81°F | 🥵 hot |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 12 mm / 0.5 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 57% | 🍃 comfortable |
| Dew point | 11°C / 52°F | |
| Sunshine | 13 h/day | |
| Daylight | 14.1 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 83 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santiago in January — FAQ
- Is January a good time to visit Santiago?
- January in Santiago: hot, dry — an excellent time to visit. It ranks #3 of 12 months for Santiago on SeasonMap's comfort score (91/100).
- What is the weather like in Santiago in January?
- In January, Santiago averages a daily high of 27.4°C and a low of 16.1°C, with about 12 mm of rain over roughly 0.8 rainy days.
- What is the air quality in Santiago in January?
- Santiago has a mean US Air Quality Index of about 83 in January.