Olympic National Park’s peak season, spanning from June to September, offers visitors the best weather conditions and access to a wide range of activities. During these months, temperatures are mild, rainfall is minimal, and most trails and facilities are fully operational. This guide provides comprehensive information on weather patterns, popular hiking trails, summer activities, and essential visitor information for making the most of your Olympic National Park experience during its busiest time of year.
What Are the Weather Conditions During Olympic National Park Peak Season?

The peak season at Olympic National Park is characterized by mild temperatures and relatively dry weather, making it ideal for outdoor activities and exploration. Here’s a breakdown of the weather conditions you can expect:
Temperature Range
- June: 50°F to 59°F (10°C to 15°C)
- July: 53°F to 63°F (12°C to 17°C)
- August: 54°F to 64°F (12°C to 18°C)
- September: 53°F to 61°F (12°C to 16°C)
Precipitation
- July and August are the driest months, with less than 2 inches of rain on average.
- September sees a slight increase in rainfall but remains relatively dry compared to other months.
Humidity
- Humidity levels remain high throughout the year, averaging 80-84% during summer months.
Sunshine
- Summer months, especially July through September, offer the most sunny days.
Temperature Variations
- Be prepared for significant overnight temperature drops, even during summer.
Which Are the Top Five Hiking Trails During Peak Season?

- Hurricane Hill Trail
- Length: 3.2 miles round trip
- Difficulty: Moderate
- Hiking Time: 2-3 hours
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Accessibility: May to October (check snow conditions in early summer)
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Hoh River Trail to Blue Glacier
- Length: 17.3 miles round trip
- Difficulty: Strenuous
- Hiking Time: 8-10 hours
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Accessibility: Best from June to October
-
Lake Crescent – Marymere Falls Trail
- Length: 1.7 miles round trip
- Difficulty: Easy to moderate
- Hiking Time: 1-2 hours
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Accessibility: Year-round, best during peak season
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Ozette Loop Trail
- Length: 9.4 miles round trip
- Difficulty: Moderate
- Hiking Time: 4-6 hours
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Accessibility: Best from June to October
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High Divide Loop Trail
- Length: 18 miles round trip
- Difficulty: Strenuous
- Hiking Time: 8-10 hours
- Accessibility: Best from July to September
What Are the Popular Summer Activities in Olympic National Park?
Hiking and Backpacking
- Permits required for overnight trips
- Day hikes are free
- Overnight permits cost $8 per person
Camping
- Reservations required through recreation.gov
- Costs range from $20-$30 per night
- Equipment rentals available in nearby towns
Wildlife Viewing and Photography
- Guided tours available
- Free self-guided viewing options
Beach Activities
- Tidepooling at Kalaloch and Ruby Beach
- Surfing and kayaking (rentals available in coastal towns)
How Are the Parking and Transportation Options During Peak Season?
Parking Facilities
- Available at major trailheads, visitor centers, and campgrounds
- Free parking, but park entrance fee may apply ($30 per vehicle for 7 days)
Accessibility Options
- Some trails offer wheelchair-accessible sections
- Limited shuttle services available within the park
Transportation Services
- Limited public transportation
- Personal vehicles or shuttle services recommended
- Visitor centers and shuttles typically operate 9 AM to 5 PM during peak season
What Should Visitors Know About Permits and Reservations?
Hiking Permits
- Required for overnight backpacking trips
- Obtain through park website or visitor centers
- $8 per person for overnight permits
Camping Reservations
- Required for all campgrounds
- Book through recreation.gov
- Prices vary by campground
Park Entrance Fee
- $30 per vehicle for a 7-day pass
- Annual passes available for frequent visitors
How Can Visitors Prepare for Olympic National Park Peak Season?
- Book Early: Reservations for camping and popular activities fill up quickly.
- Check Trail Conditions: Some trails may still have snow in early summer.
- Pack Layers: Weather can change rapidly, even in summer.
- Bring Sun Protection: Sunny days are common during peak season.
- Stay Hydrated: Carry plenty of water, especially on longer hikes.
- Be Wildlife Aware: Learn about proper wildlife safety and etiquette.
- Leave No Trace: Practice responsible tourism to preserve the park’s beauty.
By following these guidelines and planning ahead, visitors can make the most of their Olympic National Park experience during the peak season, enjoying the park’s diverse ecosystems, stunning landscapes, and abundant recreational opportunities.
References:
1. https://www.myolympicpark.com/park/weather-seasons/average-weather/
2. https://www.olympicnationalparks.com/plan/weather/
3. https://www.myolympicpark.com/park/weather-seasons/best-season-olympic-national-park/