North Cascades in April: Crowds, Weather & What to Pack

Shoulder · VisitWhen score 70/100 · #4 of 12 months

April is a quiet month with trade-offs at North Cascades National Park: crowds run 4% of the July peak (411 average visits). Weather: highs average 58°F and lows 36°F, with 1.4″ of precipitation and 13.7 hours of daylight. Headline access is typically closed this month — see the access warning below. Computed from NPS and NOAA data.

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Access warning: State Route 20 (the North Cascades Highway) typically closes November–late spring due to avalanche danger. That typically affects April — verify before planning. Current NPS conditions →

boats on the water with mountains and trees surrounding — North Cascades National Park — photo: NPS Photo/D.Dixon (public-domain NPS media)

Crowds in April

North Cascades averages 411 recreation visits in April — 4% of what July, the peak month, draws. That crowd level sets the tone for parking, permits and lodging — crowds are thin by this park's standards.

Average visits (April)

411 (mean 2021–2025, NPS)

Share of the year

1.4% of annual visitation

vs. peak (July)

Weather & daylight

Daytime stays cool (highs average 58°F), and mornings are chilly (lows average 36°F). It is typically dry (1.4″ of precipitation). Mid-month daylight runs 13.7 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 April.

What to pack for North Cascades in April

Computed from the month's weather normals above — not a generic list.

Warm mid-layer (fleece or light puffy) — mornings average 36°F
Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month

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Want quieter or kinder conditions? The computed best months for North Cascades are May and June.

Also at their best in April

Other parks whose computed April verdict is a best window — same NPS × NOAA formula:

Theodore Roosevelt in April — 7% of peak crowds, highs 56°F, score 92/100
Badlands in April — 16% of peak crowds, highs 60°F, score 90/100
Lake Clark in April — under 1% of peak crowds, highs 46°F, score 89/100
Voyageurs in April — under 1% of peak crowds, highs 49°F, score 88/100

Common questions

Is North Cascades crowded in April?

No — April is one of the quieter months: 4% of the July peak, averaging 411 visits (NPS, 2021–2025).

What is the weather like in North Cascades in April?

Average highs of 58°F, lows of 36°F, 1.4″ of precipitation (NOAA 1991–2020 normals, STEHEKIN 4 NW, WA US station).

What should I pack for North Cascades in April?

Warm mid-layer (fleece or light puffy); Sturdy broken-in footwear, navigation and a basic first-aid kit — the full weather-computed list is on this page.

Is everything open at North Cascades in April?

State Route 20 (the North Cascades Highway) typically closes November–late spring due to avalanche danger. Always check the park's live NPS alerts for current conditions.

See also: the best national parks to visit in April · Last verified 2026-09-24