Uyuni weather in August
August in Uyuni: cold, dry, with clean air — an excellent time to visit.
#10 of 12 months in Uyuni · #282 of 604 destinations to visit in August · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Uyuni climate normals — August
| Daytime high | 14°C / 56°F | 🧥 cold |
|---|---|---|
| Nighttime low | -3°C / 27°F | |
| Feels like (high) | 8°C / 46°F | |
| Rainfall | 1 mm / 0 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 16% | 🌵 dry |
| Dew point | -23°C / -10°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 11.4 h | |
| Wind | 22 km/h / 14 mph | |
| Snowfall | 0.3 cm / 0.1 in | |
| 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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Uyuni in August — FAQ
- Is August a good time to visit Uyuni?
- August in Uyuni: cold, dry, with clean air — an excellent time to visit. It ranks #10 of 12 months for Uyuni on SeasonMap's comfort score (81/100).
- What is the weather like in Uyuni in August?
- In August, Uyuni averages a daily high of 13.6°C and a low of -2.7°C, with about 1 mm of rain over roughly 0.2 rainy days.
- What is the air quality in Uyuni in August?
- Uyuni has a mean US Air Quality Index of about 35 in August.