August is a good month at Grand Teton — it ranks 7th of the twelve here. Expect about 8% fewer visitors than July, the park's peak — 672,439 visits on average. Days run around 78°F by afternoon and 41°F at night, with 14 hours of daylight.
August against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| August (this page) | Good | 672,439 | −8% | 78°F | 41°F | — | 14 h |
| May (best) | Excellent | 305,741 | −58% | 60°F | 32°F | — | 14.7 h |
| July (peak crowds) | Good | 732,380 | peak | 79°F | 43°F | — | 15.1 h |
Weather figures are for the Moose area — the Moose 1 NNE 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 Grand Teton?
It is a reasonable month — the park has stronger ones, but the records don't argue against it. August ranks 7 of 12 at Grand Teton on crowds, weather, daylight, and access together.
How crowded is Grand Teton in August?
About 672,439 recreation visits on average — 8% below July, the park's peak.
How warm is Grand Teton in August?
Average highs around 78°F and lows around 41°F at the Moose 1 NNE station.
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