Mount Rainier · August · Washington
Mount Rainier National Park in August
August is a prime month to visit Mount Rainier National Park. Expect peak crowds. Highs average 34°F and lows 14°F, with about 1.48 inches of rain.
August gets a prime rating at Mount Rainier. The very best months are Jul–Sep.
What to expect
August is prime at Mount Rainier. Prime time. Sunrise Road opens in early July, trails melt out, and subalpine wildflowers usually peak from late July to mid-August.
Clouds hide the mountain on many days. Check the Paradise webcam before you drive up, and go on a weekday in August for the best mix of flowers and space.
Good to know
- Best months overall: Jul–Sep.
- Closest airport: Seattle–Tacoma (SEA), about 2 hours.
- Before you go: The park has used timed-entry reservations for the Paradise and Sunrise corridors in recent summers. Check the current season's rules before you go. Check current conditions on nps.gov.
Questions
Is August a good time to visit Mount Rainier National Park?
August is a prime month to visit Mount Rainier National Park. Expect peak crowds. Highs average 34°F and lows 14°F, with about 1.48 inches of rain.
What is the weather like in Mount Rainier National Park in August?
Highs average 34°F and lows 14°F, with about 1.48 inches of rain. August is rated prime for visiting.
How crowded is Mount Rainier National Park in August?
August brings peak crowds to Mount Rainier National Park. Go early in the day and book lodging ahead.