What's on in Mount Rainier National Park, United States through the year
Mount Rainier National Park, United States has 8 curated events through the year — 2 natural spectacles, 2 holidays, 1 season, 1 seasonal opening and 2 closures. The ones to plan around: Chinook, Cayuse and Stevens Canyon open (May) and Wildflowers at Paradise (July). July to September are its peak-crowd months.
Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not
Best time to visit Mount Rainier National Park: weather, crowds and notes →
Mount Rainier National Park events and crowds by month
January in Mount Rainier National Park
Mount Rainier National Park weather in January →Busy — Winter / Christmas break in United States, school holidays in 2 of the markets that fill it
- Closure
Sunrise Road closed to vehicles
1 Jan – 31 DecFire damage has shut the road to Sunrise, the park's high east-side viewpoint, to vehicles; walkers and cyclists can still go up. Mowich Lake and the Carbon River are also cut off, so plan the visit around the south side. Source ↗
Still on: Winter: the Nisqually gate only (1 Nov – 1 May), Ranger snowshoe walks at Paradise (20 Dec – 31 Mar (usually))
February in Mount Rainier National Park
Mount Rainier National Park weather in February →Quiet — one of its worst months for weather
Nothing new starts in February.
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Winter: the Nisqually gate only (1 Nov – 1 May), Ranger snowshoe walks at Paradise (20 Dec – 31 Mar (usually))
March in Mount Rainier National Park
Mount Rainier National Park weather in March →Busy — Spring break in United States
Nothing new starts in March.
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Winter: the Nisqually gate only (1 Nov – 1 May), Ranger snowshoe walks at Paradise (20 Dec – 31 Mar (usually))
April in Mount Rainier National Park
Mount Rainier National Park weather in April →Shoulder season — an ordinary month
Nothing new starts in April.
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Winter: the Nisqually gate only (1 Nov – 1 May)
May in Mount Rainier National Park
Mount Rainier National Park weather in May →Busy — Memorial Day weekend
- Opening
Chinook, Cayuse and Stevens Canyon open
20 May – 15 Nov · usuallyTrail seasonThe east-side passes and Stevens Canyon Road usually reopen just before Memorial Day, completing the drive between Paradise and the east side of the mountain; they shut again when lasting snow arrives, usually in November. Source ↗
- Holiday
Memorial Day weekend
23–25 MayNational holidayCrowdedBook earlyMemorial Day, the last Monday of May, opens the summer travel season: over the long weekend campsites and lodging book out, roads are slow, and parking at the most popular spots fills early in the day. Source ↗
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Winter: the Nisqually gate only (1 Nov – 1 May)
June in Mount Rainier National Park
Mount Rainier National Park weather in June →Busy — Summer break in United States, school holidays in 2 of the markets that fill it
Nothing new starts in June.
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Chinook, Cayuse and Stevens Canyon open (20 May – 15 Nov (usually))
July in Mount Rainier National Park
Mount Rainier National Park weather in July →Peak crowds — Wildflowers at Paradise, Summer break in United States
- Nature
Wildflowers at Paradise
15 Jul – 31 Aug · usuallyWildflowers & bloomsCrowdedSnow can lie in the subalpine meadows into June or July, so the flowers get a short violent season once it goes and the whole of Seattle comes up for it. Stay on the trails: the meadows take decades to recover from a shortcut. Source ↗
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Chinook, Cayuse and Stevens Canyon open (20 May – 15 Nov (usually))
August in Mount Rainier National Park
Mount Rainier National Park weather in August →Peak crowds — Wildflowers at Paradise, Summer break in United States
- Holiday
Labor Day weekend
5–7 SepNational holidayCrowdedBook earlyLabor Day, the first Monday of September, is the last big getaway of summer: the long weekend books out campsites and lodging and fills parking early, and families thin out quickly once it has passed. Source ↗
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Chinook, Cayuse and Stevens Canyon open (20 May – 15 Nov (usually)), Wildflowers at Paradise (15 Jul – 31 Aug (usually))
September in Mount Rainier National Park
Mount Rainier National Park weather in September →Peak crowds — Labor Day weekend, Summer break in United States
- Nature
Huckleberry reds in the meadows
25 Sep – 20 Oct · usuallyAutumn colourHuckleberry and mountain ash turn the subalpine meadows around Paradise and Tipsoo Lake red and gold from late September, usually best in the first half of October; an early snowfall can end it within days. Source ↗
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Chinook, Cayuse and Stevens Canyon open (20 May – 15 Nov (usually)), Labor Day weekend (5–7 Sep)
October in Mount Rainier National Park
Mount Rainier National Park weather in October →Shoulder season — an ordinary month
Nothing new starts in October.
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Chinook, Cayuse and Stevens Canyon open (20 May – 15 Nov (usually)), Huckleberry reds in the meadows (25 Sep – 20 Oct (usually))
November in Mount Rainier National Park
Mount Rainier National Park weather in November →Busy — Thanksgiving break in United States
- Closure
Winter: the Nisqually gate only
1 Nov – 1 MayRiskFrom November the only way in by car is the Nisqually entrance in the south-west, and the road above Longmire is gated overnight and opened when it has been plowed. Every vehicle must carry chains, whatever it is and whatever the forecast. Source ↗
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Chinook, Cayuse and Stevens Canyon open (20 May – 15 Nov (usually))
December in Mount Rainier National Park
Mount Rainier National Park weather in December →Busy — Winter / Christmas break in United States, school holidays in 2 of the markets that fill it
- Season
Ranger snowshoe walks at Paradise
20 Dec – 31 Mar · usuallySki seasonOn winter weekends rangers lead short snowshoe walks from the Jackson Visitor Center, with snowshoes lent for the walk; places go first come on the day, and the road above Longmire can close when storms hit. Source ↗
Still on: Sunrise Road closed to vehicles (1 Jan – 31 Dec), Winter: the Nisqually gate only (1 Nov – 1 May)