Buenos Aires weather in March
March in Buenos Aires: warm, rainy, with clean air — an excellent time to visit.
#7 of 12 months in Buenos Aires · #160 of 604 destinations to visit in March · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Buenos Aires climate normals — March
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 80 mm / 3.2 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 12.3 h | |
| Wind | 23 km/h / 14 mph | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Buenos Aires in March — FAQ
- Is March a good time to visit Buenos Aires?
- March in Buenos Aires: warm, rainy, with clean air — an excellent time to visit. It ranks #7 of 12 months for Buenos Aires on SeasonMap's comfort score (83/100).
- What is the weather like in Buenos Aires in March?
- In March, Buenos Aires averages a daily high of 25.3°C and a low of 19°C, with about 80.2 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Buenos Aires in March?
- Buenos Aires has a mean US Air Quality Index of about 35 in March.