North Cascades · May
North Cascades in May
May is one of the best times to visit North Cascades — about as busy as April, quieter than June.
Crowd score
How busy it gets
Well below this park's peak — easy parking, open trails, short lines.
About 10% of this park's busiest month.
Source: NPS Visitor Use Statistics, 2023–2025
Data: NPS visitation 2023–2025 · crowd scores computed Jul 2026 · alerts checked Jul 10, 2026. How this is calculated →
Computed from federal data · Methodology by Sharon Ben-Moshe
Visitation
Typical May visits vs. the year
Typical monthly recreation visits, averaged over the most recent three full years.
Source: NPS Visitor Use Statistics, 2023–2025
Weather
May weather
- Avg high
- 66°F
- Avg low
- 44°F
- Precipitation
- 2.7"
- Sunrise
- 4:23 AM
- Sunset
- 7:40 PM
- Daylight
- 15.3h
Source: NOAA 1991–2020 climate normals, DIABLO DAM, WA US
What's open
North Cascades in May: access
North Cascades National Park Service Complex is open year-round. The park operational season is late May-late September, with limited services outside the operational season. The North Cascades Visitor Center in Newhalem is open during the operational season, dates may vary annually.
Seasonal closures may apply:
- Park Closure
Fire Closures - Trail, Area, and Camp Closures
For closures due to fire activity visit the Fire Closures page, including trail, area, and camp closures for current and post fire conditions.
Details on nps.gov → - Park Closure
Hozomeen Gate Remains Closed
Until further notice, the gate at Hozomeen will remain closed; vehicle and foot traffic across the US/Canada border is prohibited. Visitors must enter through a designated port of entry.
Details on nps.gov → - Park Closure
Temporary Closures for Peregrine Nesting
The following established climbing management areas are closed to all public use from March 1, 2026 to July 15, 2026 to protect peregrine falcon nesting aeries: Newhalem Crag East and Newhalem Crag West (Ryan’s Wall).
- Park Closure
Campground Closure - Goodell Creek Campground
Goodell Creek Campground is closed until further notice due to bear activity.
Details on nps.gov → - Park Closure
Campfire Ban in All Portions of the Park Complex Begins June 29
Effective Monday, June 29, campfires or the ignition of wood, briquettes, or any fuel in fire pits, fire pans, and barbeque grills, are banned in all portions of North Cascades National Park Service Complex, which includes North Cascades National Park, Ross Lake National Recreation Area, and Lake Chelan National Recreation Area.. This applies to anything that produces ash, including charcoal grills. Propane fire pits are not allowed during the ban.
Details on nps.gov →
Source: NPS Data API
Conditions
Current alerts
- Caution
Be Aware of Break-ins along State Route 20
Prevent smashed windows and theft. Break-ins are not uncommon at trailheads along State Route 20. Remove your valuables and electronics and take associated electronic cords.
- Caution
Diablo Lake Boat Launch Inaccessible to Powerboats
Due to silt accumulation, the Diablo Lake boat launch at Colonial Creek South Campground is not usable for launching most powerboats. Expect shallow or no water at the launch ramp and the possibility of needing to carry your boat to or from the water.
Details on nps.gov → - Park Closure
Fire Closures - Trail, Area, and Camp Closures
For closures due to fire activity visit the Fire Closures page, including trail, area, and camp closures for current and post fire conditions.
Details on nps.gov → - Park Closure
Hozomeen Gate Remains Closed
Until further notice, the gate at Hozomeen will remain closed; vehicle and foot traffic across the US/Canada border is prohibited. Visitors must enter through a designated port of entry.
Details on nps.gov → - Caution
Stehekin Flash Flood and Debris Flow Area
The Stehekin area is prone to flooding, which increases in a post-fire environment. Know before you go – visit the Post Fire Safety page for information on what to do in a flash flood and debris flow area
Details on nps.gov → - Park Closure
Temporary Closures for Peregrine Nesting
The following established climbing management areas are closed to all public use from March 1, 2026 to July 15, 2026 to protect peregrine falcon nesting aeries: Newhalem Crag East and Newhalem Crag West (Ryan’s Wall).
- Park Closure
Campground Closure - Goodell Creek Campground
Goodell Creek Campground is closed until further notice due to bear activity.
Details on nps.gov → - Park Closure
Campfire Ban in All Portions of the Park Complex Begins June 29
Effective Monday, June 29, campfires or the ignition of wood, briquettes, or any fuel in fire pits, fire pans, and barbeque grills, are banned in all portions of North Cascades National Park Service Complex, which includes North Cascades National Park, Ross Lake National Recreation Area, and Lake Chelan National Recreation Area.. This applies to anything that produces ash, including charcoal grills. Propane fire pits are not allowed during the ban.
Details on nps.gov → - Information
Stehekin is Open, Services Limited at Stehekin Landing
Visitor and recreational opportunities continue to be available in the Stehekin Valley. Some services are limited at the Stehekin Landing following flood damage in December 2025.
Details on nps.gov →
Source: NPS Data API
Context
North Cascades crowds across the year
FAQ
North Cascades in May
How busy is North Cascades in May?
May rates 1/10 for crowds (Quiet) at North Cascades National Park — about 10% of its busiest month. Typical recreation visits: 1,135.
What is the weather like at North Cascades in May?
In May, North Cascades averages a high of 66°F and a low of 44°F, with about 2.7 inches of precipitation.