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Best Times to Visit Olympic National Park

The best time to visit Olympic National Park is July through August, when temperatures are usually warm, most roads and facilities are open, and a full range of programs are available. You can find an updated list of seasonal activities in the Olympic Bugler, the park's digital newsletter. Olympic National Park is open 24 hours a day year-round, but from October through May some roads, campgrounds and other visitor facilities are closed or offer reduced hours.

Always keep in mind that the weather in Olympic can be unpredictable, no matter what the calendar says. It can vary wildly from one section of the park to another. It's a good idea to check the current conditions on the National Park Service website before your visit.

Weather in Olympic National Park switch to Celsius/mm

Average Temperature (°F)

Average Precipitation (in)

Data sourced from the National Climatic Data Center

May-June While it begins to get warmer in spring, weather is still unpredictable. It can snow or rain heavily and even last into the month of June in the higher elevations. According to the park, this time of year is the second most popular season for visits and seasonal campgrounds start to open.
July-August July and August are the most popular months to visit the park. Though temperatures hover around 60 to 70 degrees, rain is always a possibility, so hikers should prepare for thunderstorms, especially in the higher elevations. Even if it's sunny, fog can limit visibility, especially along the coast. Along with the temperate weather, the park boasts a variety of ranger-led activities, such as astronomy programs at Hurricane Ridge and guided walks through the Hoh Rainforest.
September-October The fall sees a dip in temperatures and an increase in snow and rain. In the high country, snow can appear as early as late September. Meanwhile, the mountain areas start to see freezing temperatures. Some campgrounds and roads close for the winter months during this time.

During the year, the park's coast and rainforests average 100 to 140 inches of rain respectively. Most of that precipitation falls between November and April. In the lower elevations, temperatures are cool to mild, but sometimes dip below freezing. In the park's higher elevations, snow is abundant. For example, Hurricane Ridge averages 30 to 35 feet of snow and is open to weekend skiing when the weather permits. Rangers also lead snowshoe walks through Hurricane Ridge in the winter. However, all of these conditions create optimal circumstances for avalanches. You'll want to check the avalanche forecast on the Northwest Avalanche Center's website.

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