Buenos Aires weather in August
August in Buenos Aires: cool, a little rain, with clean air — an excellent time to visit.
#9 of 12 months in Buenos Aires · #246 of 604 destinations to visit in August · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Buenos Aires climate normals — August
| Daytime high | 16°C / 61°F | 🙂 cool |
|---|---|---|
| Nighttime low | 9°C / 48°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 38 mm / 1.5 in | 🌦 some rain |
| Rainy days | 3 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 7°C / 45°F | |
| Sunshine | 9 h/day | |
| Daylight | 10.9 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 30 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Buenos Aires in August — FAQ
- Is August a good time to visit Buenos Aires?
- August in Buenos Aires: cool, a little rain, with clean air — an excellent time to visit. It ranks #9 of 12 months for Buenos Aires on SeasonMap's comfort score (82/100).
- What is the weather like in Buenos Aires in August?
- In August, Buenos Aires averages a daily high of 16°C and a low of 9°C, with about 37.7 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Buenos Aires in August?
- Buenos Aires has a mean US Air Quality Index of about 30 in August.