Best Time to Visit North Cascades National Park
The best months to visit North Cascades National Park are May, June, 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 0% of peak.
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.
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
As an Amazon Associate, VisitWhen earns from qualifying purchases. Gear names above link to Amazon searches — we don't show or set prices; you always see Amazon's current price.
📦 Packing for a trip with a date on it? Amazon Prime's free 30-day trial includes fast free delivery, so gear ordered this week arrives before you leave — and returns are free if a layer doesn't fit. Start the free 30-day trial →
Affiliate link — we may earn a commission on qualifying sign-ups, at no extra cost to you. Current terms are on Amazon's page.
Common questions
What is the best month to visit North Cascades?
May, June, 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.
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 0% of the July peak.
How many people visit North Cascades per year?
North Cascades National Park averaged 30,353 recreation visits per year over 2021–2025, per official NPS Visitor Use Statistics.
Dive into a month
Last verified 2026-09-12 · all parks