August · United States
Best time to visit Monument Valley in August Weather, crowds & prices
Weather in Monument Valley in August
Average temperature 26°C, 51 mm of rain, about 31 days with 6+ hours of sunshine and 43% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
August score
7.7/10
Ranked #7 of 12 months
- Avg temp
- 26°C
- Rainfall
- 51 mm
- Humidity
- 43%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
August in Monument Valley scores 7.7/10 for nature and wildlife travel - ranked #7 of 12. Expect around 26°C, 51 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Monument Valley's buttes and mesas define the American Southwest-Navajo-guided drives on a cinematic desert stage. Best window: cooler months from late autumn through early spring.
August in Monument Valley: strong conditions, 7th of 12
Trail conditions at 26°C (79°F) favour early starts and shaded routes in August; midday is for water breaks, not for exposed climbs.
Budget for roughly 51 mm of rain this month — a flexible day or two helps — with about 31 days with 6+ hours of sunshine and 13.4 hours of daylight to work around it.
That is 7.7/10 on the same scale — 7th of 12 months, versus 9.8/10 for the best month here.
Pack light clothing, a hat and real sun protection, a packable rain layer, footwear you can get muddy.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, April is materially better in Monument Valley — 2.1 points higher on the same scale.
Frequently asked
- What is the weather like in Monument Valley in August?
- In August, Monument Valley averages 26°C, 51 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
- Is August a good time to visit Monument Valley?
- August earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Monument Valley in August?
- Expect about 51 mm of rain in August. Average humidity is 43% and there are about 31 days with 6+ hours of sunshine.
Curated in Monument Valley
Tickets & experiences
Things to do in Monument Valley
Monument Valley, United States. Live activities and tours from GetYourGuide, matched to this destination.