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
- Warm mid-layer (fleece or light puffy)See it on AmazonWhy: mornings average 44°F.
- Sturdy, broken-in hiking bootsSee it on AmazonWhy: every park, every month.
- 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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- Cascade River Road Closure (Park Closure)
- Stehekin is Open, Services Limited at Stehekin Landing (Information)
- Stehekin Flash Flood and Debris Flow Area (Caution)
Best months for fewer crowds
The quietest months at North Cascades, leaving out harsh weather and months when main access is typically closed.
Monthly crowd curve
Average monthly recreation visits, 2021–2025 (NPS Visitor Use Statistics). Amber bar = current month.

North Cascades month by month
| Month | Verdict | Avg visits | % of peak | High / Low | Precip | Daylight |
|---|---|---|---|---|---|---|
| January | Harsh season | 74 | 1% | 32°F / 25°F | 6.8″ | 8.7h |
| February | Shoulder | 73 | 1% | 38°F / 26°F | 3.7″ | 10.2h |
| March | Shoulder | 59 | 1% | 47°F / 30°F | 3.6″ | 11.8h |
| April | Shoulder | 411 | 4% | 58°F / 36°F | 1.4″ | 13.7h |
| May | Best window | 1,030 | 11% | 69°F / 44°F | 1.1″ | 15.2h |
| June | Best window | 2,494 | 26% | 74°F / 50°F | 0.8″ | 16.1h |
| July | Peak crowds | 9,618 | 100% | 84°F / 56°F | 0.5″ | 15.7h |
| August | Peak crowds | 8,037 | 84% | 83°F / 55°F | 0.5″ | 14.4h |
| September | Shoulder | 6,671 | 69% | 73°F / 48°F | 1.1″ | 12.6h |
| October | Best window | 1,811 | 19% | 56°F / 38°F | 3.7″ | 10.9h |
| November | Shoulder | 62 | 1% | 40°F / 30°F | 6.7″ | 9.2h |
| December | Harsh season | 13 | 0% | 32°F / 26°F | 7.2″ | 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.
| Year | Recreation visits | vs. year before |
|---|---|---|
| 2025 | 46,925 | +185% |
| 2024 | 16,485 | −59% |
| 2023 | 40,351 | +34% |
| 2022 | 30,154 | +69% |
| 2021 | 17,855 | −42% |
| 2020 | 30,885 | −19% |
| 2019 | 38,208 | +27% |
| 2018 | 30,085 | −1% |
| 2017 | 30,326 | +6% |
| 2016 | 28,646 | +39% |
| 2015 | 20,677 | — |
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.
- Warm mid-layer (fleece or light puffy) — mornings average 44°F
- Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every month
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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
- January: January at North Cascades means heavy snow and rain at high elevations, and avalanches are common in these steep mountains, even in places along the North Cascades Highway, the park says. Primitive camping stays open year-round at Goodell Creek, Gorge Lake and ten walk-in tent sites at Colonial Creek South, and in Stehekin.
- February: February keeps the North Cascades Highway closed through the mountains, and the park describes winter recreation here as a chance for challenge and solitude that brings extra safety considerations. Everything above about 2,000 feet, including Stehekin, can stay snow-covered from late fall into spring.
- March: March is still winter on State Route 20, which usually reopens in late April or early May once crews clear the snow, the park says, and its visitor centers stay closed until late May. Lower valleys see rain while the mountains hold snow, and higher roads and trails can be snow-covered until early July.
- May: May is when North Cascades' visitor season opens. In 2026 the Wilderness Information Center in Marblemount opened daily from May 15 (7 to 11:30 a.m. and 12:30 to 4 p.m.), the Skagit Information Center in Newhalem opened on weekends (Friday to Sunday) from May 15, and the North Cascades Visitor Center in Newhalem opened daily from May 18, 9 a.m. to 5 p.m.
- June: June at North Cascades: on the park's 2026 schedule the North Cascades Visitor Center in Newhalem was open daily 9 a.m. to 5 p.m. from May 18, the Wilderness Information Center in Marblemount daily with a lunch break, and the Skagit Information Center in Newhalem on weekends only (Friday to Sunday) until June 28. For road, river, lake and trail conditions, the park points to its Conditions page.
- July: By July all of North Cascades' Newhalem visitor centers are running daily. On the park's 2026 schedule the Skagit Information Center switched from weekends only to every day from July 3 (9 a.m. to 5 p.m.), and the North Cascades Visitor Center was open daily 9 a.m. to 5 p.m.
- September: September is the tail of North Cascades' visitor-center season. On the park's 2026 schedule the North Cascades Visitor Center in Newhalem closed after September 27, while the Wilderness Information Center in Marblemount stayed open daily until October 10 and the Skagit Information Center until November 1.
- October: October is the quiet edge of North Cascades' season. The park service says visitor and information centers close in late September or early October, services are limited, and fall weather is variable, with rain down low and snow up high.
- December: December puts North Cascades in full winter: State Route 20, the North Cascades Highway, has closed for snow and avalanche danger, usually from mid- to late November, at milepost 130 near Colonial Creek or 134 at the Ross Dam Trailhead. Visitor centers are shut, so self-issue backcountry permits are available outside the Marblemount Wilderness Information Center or the Golden West Visitor Center in Stehekin.
Each month page carries the full note and the NPS page it comes from.
Dive into a month
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
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