Tulum weather in August
August in Tulum: sweltering, rainy, with clean air — an excellent time to visit.
#11 of 12 months in Tulum · #281 of 604 destinations to visit in August · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Tulum climate normals — August
| Daytime high | 31°C / 87°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 27°C / 80°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 124 mm / 4.9 in | 🌧 rainy |
| Rainy days | 20 days | |
| Humidity | 81% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.8 h | |
| Wind | 17 km/h / 11 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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Tulum in August — FAQ
- Is August a good time to visit Tulum?
- August in Tulum: sweltering, rainy, with clean air — an excellent time to visit. It ranks #11 of 12 months for Tulum on SeasonMap's comfort score (81/100).
- What is the weather like in Tulum in August?
- In August, Tulum averages a daily high of 30.5°C and a low of 26.7°C, with about 123.7 mm of rain over roughly 19.6 rainy days.
- What is the air quality in Tulum in August?
- Tulum has a mean US Air Quality Index of about 41 in August.