Best time to visit Grand Teton National Park
The short answer
Best months to visit Grand Teton National Park: July–September. Daily highs run about 65–75°F, with about 90% of July's visitors.
Hardest months: January–March and November, mostly because of cold weather.
How we picked these months: each month is scored on daily highs (65–82°F is ideal), rain, snow and seasonal closures, then reduced by up to 30% for crowds, measured against the park's busiest month. We list the months within 15% of the top score (at most 5).
Weather and crowds by month
Grand Teton National Park month by month
Park-wide averages across 5 locations. Crowds compare each month with the park's busiest month: Quiet is under 35% of it, Moderate under 60%, Busy under 85%, Peak above that.
| Month | Rating | High / low | Rain | Snow | Crowds | Closures |
|---|---|---|---|---|---|---|
| January | Poor | 27° / 12°F | 0 in | 22.2 in | Quiet | – |
| February | Poor | 28° / 14°F | 0.1 in | 25.7 in | Quiet | – |
| March | Poor | 37° / 20°F | 0.3 in | 19.2 in | Quiet | – |
| April | Poor | 43° / 24°F | 0.7 in | 16.0 in | Quiet | – |
| May | Poor | 53° / 31°F | 1.5 in | 5.8 in | Moderate | – |
| June | Good | 67° / 39°F | 1.7 in | 0.8 in | Peak | – |
| July | Best | 77° / 48°F | 0.7 in | – | Peak | – |
| August | Best | 74° / 48°F | 1.7 in | – | Peak | – |
| September | Best | 66° / 41°F | 2.2 in | 1.9 in | Busy | – |
| October | Poor | 50° / 29°F | 1.6 in | 8.7 in | Quiet | – |
| November | Poor | 35° / 19°F | 0.5 in | 19.7 in | Quiet | – |
| December | Poor | 26° / 12°F | 0 in | 25.8 in | Quiet | – |
Weather by location
Parks with a big range of elevation can differ a lot from one area to another. Open a location to see its own numbers.
Park-wide (center of the park)
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 26°F | 10°F | 0 in | 19.3 in |
| February | 28°F | 12°F | 0.2 in | 21.8 in |
| March | 37°F | 18°F | 0.3 in | 16.1 in |
| April | 43°F | 23°F | 0.8 in | 13.0 in |
| May | 53°F | 28°F | 1.5 in | 4.7 in |
| June | 67°F | 38°F | 1.4 in | – |
| July | 76°F | 46°F | 0.6 in | – |
| August | 74°F | 46°F | 1.5 in | – |
| September | 65°F | 39°F | 2.1 in | 0.7 in |
| October | 49°F | 28°F | 1.6 in | 7.0 in |
| November | 35°F | 17°F | 0.6 in | 16.9 in |
| December | 26°F | 10°F | 0 in | 24.1 in |
Laurance S. Rockefeller Preserve
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 28°F | 14°F | 0 in | 22.7 in |
| February | 30°F | 15°F | 0.1 in | 24.9 in |
| March | 38°F | 21°F | 0.3 in | 19.2 in |
| April | 44°F | 27°F | 0.7 in | 15.4 in |
| May | 55°F | 33°F | 1.4 in | 5.1 in |
| June | 69°F | 42°F | 1.8 in | 0.8 in |
| July | 79°F | 51°F | 0.8 in | – |
| August | 76°F | 50°F | 1.7 in | – |
| September | 68°F | 43°F | 2.1 in | 1.8 in |
| October | 51°F | 31°F | 1.5 in | 7.7 in |
| November | 36°F | 18°F | 0.5 in | 20.1 in |
| December | 27°F | 13°F | 0 in | 24.5 in |
Jenny Lake
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 27°F | 11°F | 0 in | 18.9 in |
| February | 29°F | 14°F | 0.1 in | 22.0 in |
| March | 37°F | 19°F | 0.2 in | 15.5 in |
| April | 43°F | 24°F | 0.7 in | 13.6 in |
| May | 54°F | 30°F | 1.4 in | 4.8 in |
| June | 67°F | 39°F | 1.6 in | – |
| July | 77°F | 47°F | 0.6 in | – |
| August | 74°F | 47°F | 1.6 in | – |
| September | 66°F | 39°F | 2.0 in | 1.4 in |
| October | 50°F | 28°F | 1.3 in | 7.4 in |
| November | 35°F | 17°F | 0.5 in | 17.7 in |
| December | 26°F | 11°F | 0 in | 22.8 in |
Colter Bay
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 26°F | 14°F | 0 in | 20.7 in |
| February | 28°F | 15°F | 0.2 in | 23.5 in |
| March | 36°F | 21°F | 0.3 in | 18.8 in |
| April | 42°F | 25°F | 0.8 in | 15.5 in |
| May | 52°F | 32°F | 1.5 in | 5.5 in |
| June | 67°F | 39°F | 1.5 in | – |
| July | 77°F | 47°F | 0.6 in | – |
| August | 74°F | 48°F | 1.8 in | – |
| September | 66°F | 41°F | 2.5 in | 1.3 in |
| October | 50°F | 31°F | 1.7 in | 8.3 in |
| November | 37°F | 23°F | 0.6 in | 18.5 in |
| December | 27°F | 15°F | 0 in | 25.6 in |
Flagg Ranch
| Month | High | Low | Rain | Snow |
|---|---|---|---|---|
| January | 26°F | 13°F | 0 in | 29.2 in |
| February | 27°F | 14°F | 0.1 in | 36.1 in |
| March | 36°F | 20°F | 0.3 in | 26.2 in |
| April | 42°F | 24°F | 0.7 in | 22.6 in |
| May | 52°F | 32°F | 1.7 in | 8.8 in |
| June | 65°F | 40°F | 2.3 in | 2.0 in |
| July | 76°F | 49°F | 0.9 in | – |
| August | 74°F | 48°F | 2.0 in | – |
| September | 64°F | 41°F | 2.4 in | 4.3 in |
| October | 48°F | 29°F | 1.6 in | 12.9 in |
| November | 34°F | 18°F | 0.4 in | 25.5 in |
| December | 26°F | 12°F | 0 in | 32.1 in |
Grand Teton National Park by season
Spring (March–May)
Spring (March–May) is a difficult time to visit Grand Teton National Park. Daily highs average 37–53°F and lows 20–31°F. Expect about 0.8 in of rain a month and 13.7 in of snow, with up to 55 in on the ground. Visitor numbers run 9–41% of the busiest month, which is quiet by this park's standards.
Summer (June–August)
Summer (June–August) is among the best times to visit Grand Teton National Park. Daily highs average 67–77°F and lows 39–48°F. Expect about 1.4 in of rain a month; some snow can linger on the ground. Visitor numbers run 86–100% of the busiest month, which is peak by this park's standards.
Fall (September–November)
Fall (September–November) is a difficult time to visit Grand Teton National Park. Daily highs average 35–66°F and lows 19–41°F. Expect about 1.4 in of rain a month and 10.1 in of snow, with up to 12 in on the ground. Visitor numbers run 7–77% of the busiest month, which is moderate by this park's standards.
Winter (December–February)
Winter (December–February) is a difficult time to visit Grand Teton National Park. Daily highs average 26–28°F and lows 12–14°F. Expect about 0.1 in of rain a month and 24.5 in of snow, with up to 51 in on the ground. Visitor numbers run 7–8% of the busiest month, which is quiet by this park's standards.
For what to do in each season, see our guides to trip planning, fees and hours, trails, camping and things to do, where the planning page also has our written advice on when to go. In-depth topic guides cover individual places and hikes.
What the National Park Service says about the weather
Grand Teton National Park has long, cold winters—snow and frost are possible any month. April, May, & June - Mild days and cool nights alternate with rain and snow. July & August - Warm days and cool nights prevail, with afternoon thundershowers common. September, October, & November - Sunny days and cold nights alternate with rain and occasional snowstorms. December to April - Between storms the days are sunny and nights are frigid. Snow blankets the mountains and valley.
Weather: modeled monthly averages for 2014-2023 (Open-Meteo Archive API), averaged over 5 locations. Modeled grid cells can read cooler than weather stations in deep canyons and deserts, and warmer or colder at high elevation. Visits: monthly recreation visits for 2021-2024, National Park Service.
