Puerto Vallarta weather in August
August in Puerto Vallarta: sweltering, soaked, with clean air — a good time to visit.
#11 of 12 months in Puerto Vallarta · #473 of 604 destinations to visit in August · comfort 63/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Puerto Vallarta climate normals — August
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 39°C / 102°F | |
| Rainfall | 341 mm / 13.4 in | ⛈ soaked |
| Rainy days | 31 days | |
| Humidity | 89% | 💦 very humid |
| Dew point | 26°C / 78°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.8 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Puerto Vallarta in August — FAQ
- Is August a good time to visit Puerto Vallarta?
- August in Puerto Vallarta: sweltering, soaked, with clean air — a good time to visit. It ranks #11 of 12 months for Puerto Vallarta on SeasonMap's comfort score (63/100).
- What is the weather like in Puerto Vallarta in August?
- In August, Puerto Vallarta averages a daily high of 31.3°C and a low of 25°C, with about 340.8 mm of rain over roughly 30.8 rainy days.
- What is the air quality in Puerto Vallarta in August?
- Puerto Vallarta has a mean US Air Quality Index of about 41 in August.