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The Green Adventures

Best time to visit Grand Teton

How busy the park gets each month, what the weather is like, and the weeks to aim for or avoid.

  • Best time to visit Grand Teton: May, June and September. The weather is at its most comfortable then, and crowds are lighter than at the peak.
  • Busiest month: July, with about 740,079 visits in a typical recent year. That is 2.9 times as many as October.
  • Quietest month: November (49,344 visits), when weather or closures keep most people away.
  • Cold: average highs stay below 40°F in January, February, November and December.
  • Snow: January to April, November and December average 6 inches or more of snow at the station, and high roads and trails often close.
JanVery quiet27°1°2.6 in40 in snow
FebVery quiet32°6°2.2 in28 in snow
MarVery quiet42°15°1.8 in20 in snow
AprVery quiet50°24°1.8 in10 in snow
MayQuiet62°33°2.0 inBest
JunBusiest71°39°1.8 inBest
JulBusiest82°44°1.1 in
AugBusiest81°42°1.2 in
SepBusy71°34°1.6 inBest
OctQuiet56°25°1.7 in4 in snow
NovVery quiet39°15°2.3 in18 in snow
DecVery quiet28°4°2.8 in44 in snow

Bar height: visitors that month, compared with the busiest month. Temperatures: average daily high and low (°F); rain and snow: monthly averages. Best marks the months we suggest.

Month by month

Month Crowds Visits (typical) High / low (°F) Precipitation Snow
January Very quiet 54,402 27° / 1° 2.6 in 40 in
February Very quiet 55,388 32° / 6° 2.2 in 28 in
March Very quiet 63,219 42° / 15° 1.8 in 20 in
April Very quiet 72,173 50° / 24° 1.8 in 10 in
May ★ Quiet 293,643 62° / 33° 2.0 in 1 in
June ★ Busiest 613,378 71° / 39° 1.8 in 0 in
July Busiest 740,079 82° / 44° 1.1 in 0 in
August Busiest 692,155 81° / 42° 1.2 in 0 in
September ★ Busy 590,873 71° / 34° 1.6 in 0 in
October Quiet 255,917 56° / 25° 1.7 in 4 in
November Very quiet 49,344 39° / 15° 2.3 in 18 in
December Very quiet 50,001 28° / 4° 2.8 in 44 in

Weather figures are NOAA 1991 to 2020 climate normals for the Moose station (6,444 feet above sea level), 0 miles from Craig Thomas Discovery & Visitor Center. Higher parts of the park are colder and snowier. Visitor numbers are the median of 2022 to 2025 monthly recreation visits from the National Park Service.

By season

  • Spring (March to May): 12% of the year’s visits; average highs 42° to 62°F.
  • Summer (June to August): 58% of the year’s visits; average highs 71° to 82°F.
  • Fall (September to November): 25% of the year’s visits; average highs 39° to 71°F.
  • Winter (December to February): 5% of the year’s visits; average highs 27° to 32°F.

Weekends and holidays

Even in a quiet month, holiday weekends fill parking lots and campgrounds. The 2027 federal holidays to plan around:

  • Martin Luther King Jr. Day: Monday, January 18
  • Presidents Day: Monday, February 15
  • Memorial Day: Monday, May 31
  • Juneteenth: Saturday, June 19
  • Independence Day: Sunday, July 4 (observed Monday, July 5)
  • Labor Day: Monday, September 6
  • Columbus Day and Indigenous Peoples Day: Monday, October 11
  • Veterans Day: Thursday, November 11
  • Thanksgiving: Thursday, November 25

Entrance is free for U.S. residents on the park service’s fee-free days. The last one in 2026 is Veterans Day, November 11; the 2027 dates had not been announced when we checked. Free days are often busier. See the crowd calendar for all 64 parks.

Weather, in the park service’s words

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.

From the National Park Service (public domain).

Today at Grand Teton

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Alerts: National Park Service, checked hourly. Forecast: National Weather Service, for Craig Thomas Discovery & Visitor Center. Always confirm on the official park site before you set out.

Sources

Last checked 1 November 2026.

Frequently asked questions

What is the best month to visit Grand Teton?
May, June and September. July is the busiest month and October the quietest while the park is fully open.
What is the busiest month at Grand Teton?
July, with about 740,079 recreation visits in a typical recent year.
How crowded is Grand Teton in summer?
Summer brings 58% of the year’s visits; average highs 71° to 82°F.