Mazatlán weather in August
August in Mazatlán: hot, soaked, with clean air — fine if you can take 21 rainy days.
#12 of 12 months in Mazatlán · #559 of 897 destinations to visit in August · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mazatlán in August
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Mazatlán climate normals — August
| Daytime high | 31°C / 88°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Rainfall | 239 mm / 9.4 in | ⛈ soaked |
| Rainy days | 21 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 25°C / 77°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 12.9 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 36 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mazatlán in August — FAQ
- Is August a good time to visit Mazatlán?
- August in Mazatlán: hot, soaked, with clean air — fine if you can take 21 rainy days. It ranks #12 of 12 months for Mazatlán on SeasonMap's comfort score (76/100).
- What is the weather like in Mazatlán in August?
- In August, Mazatlán averages a daily high of 31°C and a low of 26°C, with about 238.9 mm of rain over roughly 20.6 rainy days.
- What is the air quality in Mazatlán in August?
- Mazatlán has a mean US Air Quality Index of about 36 in August.