Grand Teton National Park in August
In August, Grand Teton National Park averages a high of 76°F and a low of 40°F, with 1.3 inches of precipitation (rain plus melted snow). About 707,000 people visit, the 2nd busiest of 12 (very busy). Days are 13 hours 59 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 76° / 40°F
- Precipitation
- 1.3in
- Snow
- 0in
- Daylight
- 13h 59m
- Visitors
- 707,000
- Crowds
- Very busy
August is one of the best months to visit: mild weather with very busy crowds.
Weather 1991–2020 averages at Moran 5WNW, WY, 5.3 miles from the park's center, 6,805 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in August
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| John D. Rockefeller, Jr., Memorial Parkway | 76° / 35° | Very busy | Mild |
| Yellowstone National Park | 71° / 37° | Very busy | Mild |
| Rocky Mountain National Park | 73° / 38° | Very busy | Mild, wet |
| Arches National Park | 96° / 68° | Busy | Very hot |
| Mount Rushmore National Memorial | 78° / 58° | Busy | Mild, wet |
Closures, reservations and alerts: Grand Teton National Park on nps.gov
All twelve months at Grand Teton · National parks to visit in August