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Grand Teton · August
August is the busiest time to visit Grand Teton — about as busy as July, busier than September.
Expect peak crowds (10/10), highs near 76°F, about 14 hours of daylight, and 1 seasonal closure in effect.
Crowd score
The park's busiest time. Reservations, early starts, and patience recommended.
About 94% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
August draws about 20% of Grand Teton’s yearly visitors.
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
Source: NOAA 1991–2020 climate normals, MORAN 5WNW, WY US
This week
| Day | Conditions | High | Low | Precip chance |
|---|---|---|---|---|
| Thu 27 | Overcast | 81°F | 51°F | 33% |
| Fri 28 | Overcast | 74°F | 53°F | 47% |
| Sat 29 | Rain | 67°F | 52°F | 89% |
| Sun 30 | Thunderstorm | 64°F | 49°F | 64% |
| Mon 31 | Overcast | 73°F | 47°F | 25% |
| Tue 1 | Light drizzle | 75°F | 47°F | 21% |
| Wed 2 | Light drizzle | 69°F | 49°F | 24% |
Forecast data by Open-Meteo
Source: Open-Meteo
What's open
Visitors may enter the park at any time, but visitor services and motor vehicle access vary throughout the year.
Seasonal closures may apply:
Death Canyon Road and Trailhead are closed to all use. Start hikes at alternative trailheads such as Granite Canyon, LSR Preserve, and Taggart Lake.
Details on nps.gov →Source: NPS Data API
Conditions
Death Canyon Road and Trailhead are closed to all use. Start hikes at alternative trailheads such as Granite Canyon, LSR Preserve, and Taggart Lake.
Details on nps.gov →Construction projects underway. Moose-Wilson Road open between Granite Entrance and Moose June 19 - Sept. 7. Expect delays of 45 minutes or longer. Death Canyon Road and Trailhead closed. Taggart Trail detour in place.
Details on nps.gov →The Wyoming Department of Health (WDH) has confirmed a case of measles in an unvaccinated adult from Teton County. Visitors and residents may have been exposed at several locations in Teton County, including the Colter Bay area in Grand Teton National Park. View exposure locations and guidance from the Wyoming Department of Health.
Details on nps.gov →Source: NPS Data API
Context
Alternatives
FAQ
August rates 10/10 for crowds (Peak) at Grand Teton National Park — about 94% of its busiest month. Typical recreation visits: 706,635.
In August, Grand Teton averages a high of 76°F and a low of 40°F, with about 1.3 inches of precipitation.
Entrance to Grand Teton costs $35 (Park entrance fee for 7 days for a private, non-commercial vehicle.).
Grand Teton is quietest in January and February. If your dates are flexible, those months bring the thinnest crowds of the year.
In mid-August, Grand Teton gets about 14 hours of daylight, with sunrise around 5:27 AM and sunset around 7:26 PM.