Grand Teton National Park in May
May at Grand Teton National Park averages a daytime high near 56°F and an overnight low around 31°F, with about 2.4" of precipitation and roughly 3" of snow. Visitation runs about 1× the park's average month, which makes May an average month here.
- Average low
- 31°F
- Average high
- 56°F
Range across the year: 1°F to 77°F
- Precipitation
- 2.4 in
- Snowfall
- 3 in
- Daylight
- 14.5 hours
Roughly 8% of the park's yearly visitors come in May: about 288,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
That makes May the 5th-busiest of the park's twelve months, sitting between the July peak (2.6×) and the December low (0.2×).
On our Best Time to Visit score May rates 48/100 ("Fair"). Our recommended month is September: the lightest crowds of the park's good-weather months.
The daily average of about 43°F is cool, so layers and a shorter daylight window matter. These figures are 1991–2020 NOAA climate normals from the nearest station, about 6.4 miles from the park.
Because June, July and August together draw about 60% of annual visitors, choosing May instead steps outside that summer crush — the single biggest lever on how crowded the park feels.
You'll have about 14.5 hours of daylight in May to explore — between the 8.7-hour midwinter low and the 15.3-hour summer high.
Park-wide, 2025 drew 3,800,648 recreation visits, up 4.8% from 3,628,222 in 2024.
How May compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| April | 46°F / 21°F | 0.2× Very quiet | 50 Fair |
| May | 56°F / 31°F | 1.0× Average | 48 Fair |
| June | 67°F / 37°F | 2.2× Very busy | 45 Fair |
All twelve months at Grand Teton, with the best time to visit.
Seasonal closures in May 2027
The National Park Service lists these Grand Teton facilities as closed during May 2027. The dates are the park's own, read on October 11, 2026. A facility that is not listed here may still be closed, so confirm on the park's site before you go.
- Jenny Lake Ranger Station (visitor center): closed all month (September 8, 2026 to June 5, 2027)
- Lizard Creek Campground (campground): closed all month (September 10, 2026 to June 13, 2027)
- Laurance S. Rockefeller Preserve Center (visitor center): closed all month (September 21, 2026 to May 31, 2027)
- Colter Bay Campground (campground): closed until May 21, 2027
- Jenny Lake Campground (campground): closed until May 2, 2027
- Headwaters Campground (campground): closed until May 9, 2027
- Colter Bay Visitor Center (visitor center): closed until May 7, 2027
- Colter Bay RV Park (campground): closed until May 4, 2027
- Signal Mountain Campground (campground): closed until May 8, 2027
- Jenny Lake Visitor Center (visitor center): closed until May 14, 2027
Things to do at Grand Teton in May
The National Park Service tags 32 Grand Teton activities for spring. Here are 8 of them. Each links to the park's own page for it.
- Aspen Ridge - Boulder Ridge · 3-5 hours
- Christian Pond Loop · 1-3 hours
- Heron Pond - Swan Lake Loop Trail · 1-3 hours
- Jenny Lake Loop · 3-5 hours
- Lakeshore Trail · 1-2 hours
- Moose-Wilson Road · 20-60 minutes
- Phelps Lake Loop · 3-5 hours
- Signal Mountain Summit Road · 30-60 minutes
Frequently Asked Questions
May averages a daytime high near 56°F and an overnight low around 31°F at Grand Teton National Park, with about 2.4 inches of precipitation and roughly 3 inches of snow. These are 1991–2020 NOAA climate normals from the nearest station, about 6.4 miles from the park, so conditions inside the park can differ, especially at other elevations.
May is average at Grand Teton National Park (about 1.0× the average month). Our best-time score rates it "Fair" at 48/100. Our recommended month is September.
The busiest month is July and the quietest is December. May sits at about 1.0× the park's average, or 8% of annual visitation.
A typical May sees about 288,000 recreation visits at Grand Teton National Park, based on National Park Service monthly counts from 1979–2025.
Where to stay near Grand Teton in May
Booking a May trip to Grand Teton National Park? Compare hotels, cabins and vacation rentals near the park with live May availability and prices.
Top-rated places to stay near Grand Teton
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in May.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.