Santiago weather in March
March in Santiago: warm, dry, with poor air quality — an excellent time to visit.
#4 of 12 months in Santiago · #46 of 604 destinations to visit in March · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Santiago climate normals — March
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 15°C / 59°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 3 mm / 0.1 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 50% | 🍃 comfortable |
| Dew point | 9°C / 47°F | |
| Sunshine | 11.4 h/day | |
| Daylight | 12.3 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 102 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santiago in March — FAQ
- Is March a good time to visit Santiago?
- March in Santiago: warm, dry, with poor air quality — an excellent time to visit. It ranks #4 of 12 months for Santiago on SeasonMap's comfort score (90/100).
- What is the weather like in Santiago in March?
- In March, Santiago averages a daily high of 26.3°C and a low of 14.9°C, with about 3 mm of rain over roughly 1.2 rainy days.
- What is the air quality in Santiago in March?
- Santiago has a mean US Air Quality Index of about 102 in March.