Oaxaca weather in August
August in Oaxaca: warm, rainy, with clean air — an excellent time to visit.
#10 of 12 months in Oaxaca · #221 of 604 destinations to visit in August · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Oaxaca climate normals — August
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 136 mm / 5.4 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 75% | 💧 humid |
| Dew point | 15°C / 59°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 12.7 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Oaxaca?
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Oaxaca in August — FAQ
- Is August a good time to visit Oaxaca?
- August in Oaxaca: warm, rainy, with clean air — an excellent time to visit. It ranks #10 of 12 months for Oaxaca on SeasonMap's comfort score (84/100).
- What is the weather like in Oaxaca in August?
- In August, Oaxaca averages a daily high of 25.3°C and a low of 15.6°C, with about 135.9 mm of rain over roughly 18.2 rainy days.
- What is the air quality in Oaxaca in August?
- Oaxaca has a mean US Air Quality Index of about 32 in August.