August is a tough month at Arches — it ranks 11th of the twelve here. Expect about 23% fewer visitors than May, the park's peak — 149,709 visits on average. Days run around 96°F by afternoon and 64°F at night, with 13.7 hours of daylight. Heat is the story here — start at dawn, carry more water than feels reasonable, and be done by midday.
August against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| August (this page) | Tough | 149,709 | −23% | 96°F | 64°F | 0" | 13.7 h |
| February (best) | Excellent | 49,974 | −74% | 52°F | 27°F | 1.4" | 10.7 h |
| May (peak crowds) | Good | 195,001 | peak | 83°F | 51°F | 0" | 14.3 h |
Weather figures are for the Moab area — the Moab station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is August a good time to visit Arches?
It is the tough season — doable with preparation, but the numbers say most people should pick another month. August ranks 11 of 12 at Arches on crowds, weather, daylight, and access together.
How crowded is Arches in August?
About 149,709 recreation visits on average — 23% below May, the park's peak.
How warm is Arches in August?
Average highs around 96°F and lows around 64°F at the Moab station.
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