Moab weather in August
August in Moab: sweltering, dry, with clean air — one of the weakest months to visit.
#11 of 12 months in Moab · #559 of 604 destinations to visit in August · comfort 47/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Moab climate normals — August
| Daytime high | 37°C / 98°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 19 mm / 0.7 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 38% | 🌵 dry |
| Dew point | 11°C / 51°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.6 h | |
| Wind | 15 km/h / 9 mph | |
| Air quality (US AQI) | 44 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Moab in August — FAQ
- Is August a good time to visit Moab?
- August in Moab: sweltering, dry, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Moab on SeasonMap's comfort score (47/100).
- What is the weather like in Moab in August?
- In August, Moab averages a daily high of 36.5°C and a low of 21°C, with about 18.9 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Moab in August?
- Moab has a mean US Air Quality Index of about 44 in August.