North Cascades in June: Crowds, Weather & What to Pack
Best window · VisitWhen score 91/100 · #2 of 12 months
June is one of the best months of the year to visit North Cascades National Park: crowds run 26% of the July peak (2,494 average visits). Weather: highs average 74°F and lows 50°F, with 0.8″ of precipitation and 16.1 hours of daylight. Computed from NPS and NOAA data.
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Crowds in June
North Cascades averages 2,494 recreation visits in June — 26% of what July, the peak month, draws. Plan lodging and entries with that in mind.
Weather & daylight
Daytime temperatures are comfortable (highs average 74°F), and nights stay mild (lows average 50°F). It is typically dry (0.8″ of precipitation). Mid-month daylight runs 16.1 hours.
NOAA 1991–2020 monthly normals, station STEHEKIN 4 NW, WA US (12 mi from park coordinates, 1,257 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of June.
What to pack for North Cascades in June
Computed from the month's weather normals above — not a generic list.
- A light layer you can shed by midday (long sleeve or windbreaker) — a 25°F swing between the average low of 50°F and high of 74°F
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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Also at their best in June
Other parks whose computed June verdict is a best window — same NPS × NOAA formula:
- 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
- Sequoia in June — 69% of peak crowds, highs 68°F, score 75/100
Common questions
Is North Cascades crowded in June?
No — June is one of the quieter months: 26% of the July peak, averaging 2,494 visits (NPS, 2021–2025).
What is the weather like in North Cascades in June?
Average highs of 74°F, lows of 50°F, 0.8″ of precipitation (NOAA 1991–2020 normals, STEHEKIN 4 NW, WA US station).
What should I pack for North Cascades in June?
A light layer you can shed by midday (long sleeve or windbreaker); Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.
See also: the best national parks to visit in June · Last verified 2026-09-24