Wyoming · National Park
Best time to visit Grand Teton
Checked Oct 26, 2026 · Source: NPS + NOAA
For Grand Teton, the mild and quiet months are October: average highs of 50 to 85°F at the nearest NOAA station and visits at or below the yearly monthly average. July is busiest, with 21% of 2025 recreation visits. January was quietest, with an average high of 24°F. Sources: NPS IRMA Stats and NOAA normals, checked Oct 26, 2026.
Crowd index by month
Each bar is that month’s NPS recreation visits compared with the average month of 2025 (100 = average). July scored 249; January scored 16.
Source: NPS IRMA Stats, recreation visitors, 2025, pulled Oct 26, 2026. Index = month ÷ average month × 100.
Weather normals by month
| Month | Avg high °F | Avg low °F | Precip in | Crowd index |
|---|---|---|---|---|
| January | 24.0 | 1.2 | 2.90 | 16 |
| February | 29.5 | 3.9 | 2.31 | 17 |
| March | 38.6 | 11.8 | 2.34 | 20 |
| April | 46.2 | 21.4 | 2.16 | 25 |
| May | 56.4 | 30.5 | 2.36 | 108 |
| June | 67.0 | 37.0 | 1.75 | 215 |
| July | 76.9 | 42.2 | 1.02 | 249 |
| August | 76.0 | 40.4 | 1.28 | 232 |
| September | 66.3 | 33.6 | 1.64 | 195 |
| October | 51.0 | 24.7 | 1.92 | 89 |
| November | 34.7 | 13.9 | 2.61 | 18 |
| December | 24.1 | 4.0 | 3.10 | 17 |
Source: NOAA NCEI U.S. Climate Normals 1991-2020 (monthly), station USC00486440. The station may sit at a different elevation than the places you visit, so expect cooler temperatures higher up.
Mild and quiet months
- October
Our rule, applied to the data above: average high between 50 and 85°F, and recreation visits no higher than the average month. It is arithmetic, not a forecast. Roads, trails and facilities can still be closed in these months.
Closures and seasonal dates
| Campground | Closed from | Until |
|---|---|---|
| Colter Bay Campground | Sep 27, 2026 | May 21, 2027 |
| Gros Ventre Campground | Oct 10, 2026 | Apr 26, 2027 |
| Headwaters Campground | Sep 30, 2026 | May 9, 2027 |
| Colter Bay RV Park | Oct 10, 2026 | May 4, 2027 |
| Signal Mountain Campground | Oct 11, 2026 | May 8, 2027 |
| Colter Bay Tent Village | Sep 7, 2026 | May 22, 2027 |
| Jenny Lake Campground | Sep 27, 2026 | May 2, 2027 |
| Lizard Creek Campground | Sep 10, 2026 | Jun 13, 2027 |
Park Closure Death Canyon Trailhead Construction Closure
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 API campgrounds and alerts, checked Oct 26, 2026.
Hours
Visitors may enter the park at any time, but visitor services and motor vehicle access vary throughout the year.
Source: NPS API operating hours, checked Oct 26, 2026.
More on Grand Teton: tour or DIY overview. TourOrDIY is independent and not affiliated with the National Park Service. See the accuracy disclaimer and our method.