Grand Teton in June: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 70/100 · #4 of 12 months
June is peak season — expect the year's biggest crowds at Grand Teton National Park: crowds run 86% of the July peak (632,518 average visits). Weather: highs average 67°F and lows 37°F, with 1.8″ of precipitation and 15.4 hours of daylight. Computed from NPS and NOAA data.
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Bring for Grand Teton in June
- Warm mid-layer (fleece or light puffy)See it on AmazonWhy: mornings average 37°F.
- Bear spraySee it on AmazonWhy: recommended by the park in grizzly country (check current park regulations before you carry).
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Crowds in June
Grand Teton averages 632,518 recreation visits in June — 86% of what July, the peak month, draws. Trailheads and parking fill accordingly — book early and start days at dawn.
Weather & daylight
Days are mild (highs average 67°F), and mornings are chilly (lows average 37°F). It is typically dry (1.8″ of precipitation). Mid-month daylight runs 15.4 hours.
NOAA 1991–2020 monthly normals, station MORAN 5WNW, WY US (6 mi from park coordinates, 6,805 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of June.
What to pack for Grand Teton in June
Computed from the month's weather normals above — not a generic list.
- Warm mid-layer (fleece or light puffy) — mornings average 37°F
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
- Bear spray — recommended by the park in grizzly country (check current park regulations before you carry)
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If your dates are flexible, consider shifting: The computed best months for Grand Teton are April and May.
Also at their best in June
Other parks whose computed June verdict is a best window — same NPS × NOAA formula:
- North Cascades in June — 26% of peak crowds, highs 74°F, score 91/100
- Katmai in June — 34% of peak crowds, highs 59°F, score 88/100
- Crater Lake in June — 44% of peak crowds, highs 57°F, score 84/100
- Olympic in June — 48% of peak crowds, highs 67°F, score 78/100
Common questions
Is Grand Teton crowded in June?
Yes — June runs 86% of Grand Teton's peak, averaging 632,518 recreation visits (NPS, 2021–2025).
What is the weather like in Grand Teton in June?
Average highs of 67°F, lows of 37°F, 1.8″ of precipitation (NOAA 1991–2020 normals, MORAN 5WNW, WY US station).
What should I pack for Grand Teton in June?
Warm mid-layer (fleece or light puffy); Sturdy broken-in footwear, navigation and a basic first-aid kit; Bear spray — the full weather-computed list is on this page.
See also: the best national parks to visit in June · Last verified 2026-09-24