Our recommendation
Visit Mount Rainier in May
May offers best overall balance of crowds, weather and daylight. For comparison, July is the most crowded month (~3.0× the average month) and February is the quietest.
Annual visits
1.6M
2025
Busiest month
Jul
3.0× avg
Quietest month
Feb
0.1× avg
10-yr trend
rising
+18.2%
How crowded is Mount Rainier by month?
Relative crowd level by month (1.0 = the park's average month), from NPS visitation records 1979–2025.
Month-by-month crowd, weather & daylight
| Month | Crowd level | Best-time score | Avg high / low | Daylight |
|---|---|---|---|---|
| January | Very quiet | 40 Poor | 35°F / 24°F | 8.7 h |
| February | Very quiet | 44 Poor | 34°F / 23°F | 10.1 h |
| March | Very quiet | 46 Fair | 36°F / 24°F | 11.6 h |
| April | Very quiet | 49 Fair | 40°F / 26°F | 13.4 h |
| May★ best | Quiet | 52 Fair | 48°F / 33°F | 14.8 h |
| June | Very busy | 47 Fair | 54°F / 37°F | 15.7 h |
| July | Very busy | 40 Poor | 62°F / 44°F | 15.3 h |
| August | Very busy | 39 Poor | 64°F / 45°F | 14.0 h |
| September | Very busy | 44 Poor | 57°F / 41°F | 12.3 h |
| October | Average | 36 Poor | 46°F / 33°F | 10.6 h |
| November | Very quiet | 40 Poor | 37°F / 26°F | 9.1 h |
| December | Very quiet | 40 Poor | 33°F / 22°F | 8.3 h |
Climate normals (1991–2020) from the nearest NOAA station (USC00456898, ~5.4 mi away).
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About visiting Mount Rainier
Mount Rainier National Park is a National Park in WA and one of the busier parks in the system, drawing about 1.6 million recreation visits in 2025. Visitation has climbed over the past decade, up roughly 18.2%, so crowds are trending heavier each year. Crowds concentrate sharply by season: July is the busiest month at about 3.0× the park's average month, while February is the calmest at roughly 0.1× — a 23-to-1 swing between high and low season. Roughly 62% of the year's visitors arrive in the three summer months of June, July and August alone, so timing a trip outside that window is the single biggest lever on how crowded the park feels. Weather swings from an average high-season warmth near 54°F in August down to about 27°F in December, with the wettest stretch in December. About 2 months a year see comfortable average temperatures in the 50–80°F range, which is part of why crowd timing and weather timing don't always line up. The sweet spot is May: best overall balance of crowds, weather and daylight. Visit then and you trade a little peak-season certainty for noticeably shorter lines and easier parking than the July rush. Daylight ranges from about 8.3 hours in midwinter to 15.7 hours near the summer solstice, which shapes how much ground you can cover in a day. A standard private-vehicle entrance pass runs about $30, valid for several days, so a shoulder-season trip stretches that fee across quieter, more comfortable days. These crowd figures are drawn from 1979–2025 of National Park Service visitor-use records, paired with 1991–2020 NOAA climate normals, and are updated as new monthly data is released.
Park overview
Ascending to 14,410 feet above sea level, Mount Rainier stands as an icon in the Washington landscape. An active volcano, Mount Rainier is the most glaciated peak in the contiguous U.S.A., spawning five major rivers. Subalpine wildflower meadows ring the icy volcano while ancient forest cloaks Mount Rainier’s lower slopes. Wildlife abounds in the park’s ecosystems. A lifetime of discovery awaits.
Weather & conditions
Weather patterns at Mount Rainier are strongly influenced by the Pacific Ocean and elevation. The climate is generally cool and rainy, with summer highs in the 60s and 70s. While July and August are the sunniest months of the year, rain is very likely in spring, fall, and winter. Visitors should be aware that mountain weather is very changeable. In the higher elevations, like Paradise, winter can last from November to May with many feet of snow on the ground.
Park overview text courtesy of the National Park Service — official park site.
Where to stay near Mount Rainier
Hotels, cabins, lodges and vacation rentals near Mount Rainier National Park — live availability and prices to plan your trip. May is our pick for the best balance of light crowds and good weather.
Top-rated places to stay near Mount Rainier
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Getting there — nearest airports
Updated July 2026The closest airport to Mount Rainier National Park is Seattle-Tacoma International Airport (SEA), about 74 mi (2 hr 5 min drive) away.
| Airport | Distance | Drive time | Airlines |
|---|---|---|---|
| Seattle-Tacoma International Airport (SEA)Best for flights | 74 mi | 2 hr 5 min | Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines |
| Tri-Cities Airport (PSC) | 163 mi | 3 hr 38 min | Alaska Airlines, Allegiant Air, Delta, Silk Avia, United Airlines |
| Bellingham International Airport (BLI) | 173 mi | 4 hr 2 min | Alaska Airlines, Allegiant Air |
| Portland International Airport (PDX) | 175 mi | 3 hr 50 min | Air Canada, Alaska Airlines, American Airlines, Copa Airlines, Delta, Frontier Airlines |
| Spokane International Airport (GEG) | 278 mi | 5 hr 41 min | Alaska Airlines, Delta, Frontier Airlines, Silk Avia, Southwest Airlines, United Airlines |
Which airport should you choose?
- Shortest drive: Seattle-Tacoma International Airport (SEA) — about 2 hr 5 min from the park.
Entrance fees
A standard private-vehicle entrance pass is about $30, typically valid for several days.
Frequently Asked Questions
May offers best overall balance of crowds, weather and daylight at Mount Rainier National Park. The park is busiest in July (about 3.0× the average month) and quietest in February.
July is the busiest month at Mount Rainier National Park, running roughly 3.0 times the park's average monthly visitation.
February is the quietest month at Mount Rainier National Park, at about 0.1× the average month — a good choice if you want to avoid crowds.
Mount Rainier National Park recorded about 1,635,342 recreation visits in 2025. Visitation has been rising over the past decade (+18.2%).
Based on 1991–2020 climate normals, the warmest month at Mount Rainier National Park averages about 54°F (August). See the month-by-month table above for the full picture.
Seattle-Tacoma International Airport (SEA) is the closest airport to Mount Rainier National Park, about 74 mi (2 hr 5 min drive) away.
There is no airport inside Mount Rainier National Park. Fly into Seattle-Tacoma International Airport (SEA) and drive the rest of the way — about 2 hr 5 min.
Nearby parks to visit
Keep exploring
Water quality of lakes near Mount Rainier
If you are planning to swim, paddle or fish on this trip, these graded lakes are within a 40-mile drive. Grades are A–F from EPA and state-agency sampling.
- Rimrock Reservoir water qualityGrade C · 29 mi · WA
- Lake water qualityGrade F · 36 mi · WA
- Debra Jane Lake water qualityGrade — · 32 mi · WA
- Bonney Lake water qualityGrade — · 32 mi · WA
Sources: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI U.S. Climate Normals 1991–2020. Crowd index = a month's visits ÷ the park's average month.