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Best Time to Visit North Cascades National Park

Pick a month. Best months are in bold.

The best months to visit North Cascades National Park are May, June and October — computed from official NPS visitation (2021–2025 average), NOAA weather normals and daylight. July is the crowd peak (9,618 monthly visits); December is quietest at under 1% of peak.

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Bring for North Cascades in May

  1. Warm mid-layer (fleece or light puffy)See it on AmazonWhy: mornings average 44°F.
  2. Sturdy, broken-in hiking bootsSee it on AmazonWhy: every park, every month.
  3. Water bottles for the daySee it on AmazonWhy: hydration is one of the NPS Ten Essentials.

May is one of North Cascades's best months. Going in another month? Pick it in the month row above: each month page has its own list.

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Seasonal access: State Route 20 (the North Cascades Highway) typically closes November–late spring due to avalanche danger. Check current NPS conditions →
Current NPS alerts (as of 2026-10-31, live conditions →):

Best months for fewer crowds

The quietest months at North Cascades, leaving out harsh weather and months when main access is typically closed.

North Cascades in November1% of the July peakNorth Cascades in May11% of the July peakNorth Cascades in October19% of the July peak

Monthly crowd curve

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Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.

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

North Cascades month by month

MonthVerdictAvg visits% of peakHigh / LowPrecipDaylight
January Harsh season 741% 32°F / 25°F6.8″8.7h
February Shoulder 731% 38°F / 26°F3.7″10.2h
March Shoulder 591% 47°F / 30°F3.6″11.8h
April Shoulder 4114% 58°F / 36°F1.4″13.7h
May Best window 1,03011% 69°F / 44°F1.1″15.2h
June Best window 2,49426% 74°F / 50°F0.8″16.1h
July Peak crowds 9,618100% 84°F / 56°F0.5″15.7h
August Peak crowds 8,03784% 83°F / 55°F0.5″14.4h
September Shoulder 6,67169% 73°F / 48°F1.1″12.6h
October Best window 1,81119% 56°F / 38°F3.7″10.9h
November Shoulder 621% 40°F / 30°F6.7″9.2h
December Harsh season 130% 32°F / 26°F7.2″8.3h

Crowds: NPS Visitor Use Statistics, mean of 2021–2025 (2020 excluded as a COVID-19 anomaly). Weather: NOAA 1991–2020 monthly normals, station STEHEKIN 4 NW, WA US (12 mi from park coordinates). Daylight: computed for the 15th of each month at the park's location. Methodology.

How many people visit North Cascades each year

North Cascades National Park had 46,925 recreation visits in 2025, 185% more than 2024 (NPS Visitor Use Statistics). The busiest year since 2015 was 2025, with 46,925. Over 2021–2025 it averaged 30,353 visits a year, which makes it the 6th least-visited of the 63 national parks.

YearRecreation visitsvs. year before
202546,925+185%
202416,485−59%
202340,351+34%
202230,154+69%
202117,855−42%
202030,885−19%
201938,208+27%
201830,085−1%
201730,326+6%
201628,646+39%
201520,677—

Calendar-year recreation visits as published by NPS Visitor Use Statistics. 2020 is shown here but left out of the monthly averages above, because the COVID-19 pandemic makes it unrepresentative. See how every park compares: all 63 parks ranked by visits.

What to pack for North Cascades in May

Computed from May's weather normals — North Cascades's best month above. Visiting another month? Each month page has its own weather-computed list.

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Common questions

What is the best month to visit North Cascades?

May, June and October rank best for North Cascades on VisitWhen's computed score — the strongest balance of low crowds (NPS data), comfortable weather (NOAA normals) and daylight, among months when the park’s headline access is typically open. The numbers are on North Cascades in May.

What is the most crowded month at North Cascades?

July: an average of 9,618 recreation visits (NPS, 2021–2025). The quietest is December, at under 1% of the July peak.

When is North Cascades least crowded with decent conditions?

November, at 1% of the July peak (62 average visits). December is quieter still, but headline access is typically closed then.

How many people visit North Cascades per year?

North Cascades National Park had 46,925 recreation visits in 2025, 185% more than 2024 (NPS Visitor Use Statistics). The busiest year since 2015 was 2025, with 46,925. Over 2021–2025 it averaged 30,353 visits a year (how we average NPS counts).

What is the weather like at North Cascades through the year?

The warmest month is July, with average highs of 84°F. The coldest nights come in January, averaging 25°F. The wettest month is December, with 7.2″ of precipitation. (NOAA 1991–2020 normals, STEHEKIN 4 NW, WA US station.)

Is North Cascades open all year?

State Route 20 (the North Cascades Highway) typically closes November–late spring due to avalanche danger. Dates shift with snow and weather each year, so check the park's current NPS conditions before you go.

North Cascades month by month: notes from the park service

Each month page carries the full note and the NPS page it comes from.

Dive into a month

North Cascades in JanuaryNorth Cascades in FebruaryNorth Cascades in MarchNorth Cascades in AprilNorth Cascades in MayNorth Cascades in JuneNorth Cascades in JulyNorth Cascades in AugustNorth Cascades in SeptemberNorth Cascades in OctoberNorth Cascades in NovemberNorth Cascades in December

Comparing parks for the same trip? See how North Cascades ranks against all 63 parks in May, June and October.

Last verified 2026-09-24 · all parks

Nearby parks and their best months

Mount Rainier

About 120 mi away (straight line) · WA

Best months: May, June and September

Best time to visit Mount Rainier

Olympic

About 140 mi away (straight line) · WA

Best months: April, May and June

Best time to visit Olympic

Glacier

About 330 mi away (straight line) · MT

Best months: June, September and October

Best time to visit Glacier

Crater Lake

About 390 mi away (straight line) · OR

Best months: May, June and September

Best time to visit Crater Lake

Distance between park coordinates (Wikidata). Best month from the same NPS crowds × NOAA weather × daylight score as every park page. Methodology.