Olympic National Park, a stunning natural phenomenon in the state of Washington, known for its unmatched beauty and extraordinary ecological diversity, is a nature lover’s paradise. With its verdant lakes, rugged coastline, and towering mountain peaks, the park offers a unique and captivating experience for all. In this blog about ‘Olympic National Park weather by month,’ we aim to provide valuable insights into the ever-changing climate patterns throughout the year.

Among its many natural wonders are the park’s temperate rainforests, most notably the Hoh and Quinault Rainforests, where towering trees adorned with vibrant moss create an ethereal ambiance. The snow-capped peaks of the Olympic Mountains beckon backpackers and hikers alike, offering breathtaking vistas and pristine wilderness to explore. Along the coastline, a world of marine biodiversity unfolds, complete with tidal pools, sea stacks, and a thriving ecosystem.

Understanding the Olympic National Park weather by month is crucial for a well-planned visit. The park’s diverse terrain brings with it a wide range of climates, necessitating careful consideration when packing and preparing. While summer months offer favorable hiking conditions, the winter months can be characterized by cold and damp weather. By aligning your visit with these climate patterns, you ensure a safe and enjoyable exploration of this outstanding natural wonder.

Olympic National Park’s Climate Overview

Olympic National Park Weather by Month

The climate of Olympic National Park, located in the US state of Washington, changes dramatically with the seasons. The park’s geographical features, like its proximity to the Pacific Ocean and the Olympic Mountains, have a big impact on the weather. The maritime influence of the water results in mild, wet winters with a lot of precipitation from November through March. 

On the other side, summers from June to September are sunnier and drier due to the rain shadow the Olympic Mountains cast. The park’s lush rainforests, snow-capped peaks, and diverse ecosystems are all impacted by these weather patterns, so travelers should plan their trips according to the Olympic National Park weather by month for a completely immersive experience.

Olympic National Park Weather by Month

Here’s a comprehensive month by month weather breakdown that offers insights into Olympic National Park’s ever-changing climate, guiding visitors through the unique weather patterns and ideal times to explore this stunning natural wonder.

January in Olympic National Park Weather by Month

  • Average Temperature Ranges: Lows of 2°C and highs of about 8°C.
  • Precipitation Levels: With about 10.4 inches of precipitation, it’s among the wettest months.
  • Notable Weather Events: The park is at its wettest in January, with a lot of rain and snowfall in the higher altitudes. An idyllic winter paradise is created by snow-covered landscapes, and watching coastal storms is a popular pastime.


  • Average Temperature Ranges: Lows of 3°C and highs of about 9°C.
  • Precipitation Levels: Much the same as January, with about 9.4 inches of precipitation.
  • Notable Weather Events: In February, the park is still damp and chilly, and there might still be snow in the mountains, which would make for good cross-country and snowshoeing conditions.


  • Average Temperature Ranges: 3°C at lows and 11°C at highs.
  • Precipitation Levels: With roughly 7.5 inches of rain, things start to gradually decline.
  • Notable Weather Events: The month of March signifies the arrival of spring. The park’s verdant jungles start to sprout new leaves while it’s still raining.


  • Average Temperature Ranges: 4°C at lows and 13°C at highs.
  • Precipitation Levels: Drops even further to about 5.4 inches.
  • Notable Weather Events: In the lowlands, spring blooms bring pleasant trekking chances, and in the mountains, melting snow exposes hiking trails and colorful vegetation.


  • Average Temperature Ranges: 7°C at lows and 16°C at highs.
  • Precipitation Levels: Drop continues, bringing around 3.4 inches of rain.
  • Notable Weather Events: As spring gives way to summer, May is a great time to explore the park. The meadows are covered in wildflowers, and the temperature rises.


  • Average Temperature Ranges: 9°C at lows and 19°C at highs.
  • Precipitation Levels: Reduce dramatically to about 1.9 inches of rain.
  • Notable Weather Events: June marks the official start of summer. With the pleasant, dry weather, visitors may enjoy outdoor activities like hiking and camping.


  • Average Temperature Ranges: 11°C at lows and 21°C at highs.
  • Precipitation Levels: Stay low and expect about 1.2 inches of rain.
  • Notable Weather Events: The weather in July is generally ideal for exploring. There is a huge opportunity to watch wildlife, and stargazing is excellent under the wide skies.


  • Average Temperature Ranges: 11°C at lows and 22°C at highs.
  • Precipitation Levels: It’s still very light, with only 1.1 inches of rain.
  • Notable Weather Events: August has more of the same fantastic weather. Beach activities, hiking, and kayaking are available to visitors.

September in Olympic National Park Weather by Month

  • Average Temperature Ranges: 10°C at lows and 20°C at highs.
  • Precipitation Levels: Begin to progressively rise, bringing about 1.7 inches of precipitation.
  • Notable Weather Events: Autumn brings with it fresh color to the landscape, and the park never fails to entice hikers.


  • Average Temperature Ranges: 8°C at lows and 16°C at highs.
  • Precipitation Levels:  Raise the amount of rainfall to roughly 4.3 inches.
  • Notable Weather Events: With its changing hues and hazy trees, the park takes on a new charm when the autumn foliage starts to display its splendor.

November in Olympic National Park Weather by Month

  • Average Temperature Ranges: 11°C highs and 4°C lows are typical.
  • Precipitation Levels: Become significant once more after receiving about 9.9 inches of rain.
  • Notable Weather Events: November brings the cooler, wetter weather back. It’s a great time to explore the Hoh Rainforest in November and experience the Olympic National park’s verdant, rich scenery as the lush rainforest comes alive with the seasonal rains and cool temperatures.


  • Average Temperature Ranges: Lows of 2°C and highs of about 8°C.
  • Precipitation Levels: Remain elevated with roughly 10.5 inches of precipitation.
  • Notable Weather Events: The coming of winter brings snow to higher altitudes, resulting in a serene, snowy ambiance in the highlands, and storm watching along the shore remains excellent.

Best Weather For Your Visit

Olympic National Park Weather by Month

The ideal weather for your trip to Olympic National Park, including the enchanting Hall of Mosses and Hoh River Rainforest will be determined by the activities you like to do. June through August provide great circumstances for trekking and camping because of the warm, dry weather. July is a great time to see wildlife, while December through February is the best time to witness storms along the shore. 

Beautiful green scenery can be found in May and June when the flora is most vibrant. But remember that every season has its special charms. Based on the activities you want to do and the associated weather, plan your trip.

Useful Packing Tips

January and February (Winter): Get ready for chilly, rainy weather. Bring warm clothes, gloves, a beanie, waterproof boots, and layers of waterproof gear. As it rains a lot, remember to pack an umbrella and a rain jacket.

March (Late Winter): Keep wearing warm, water-resistant clothing, but when the temperature rises, you might need to wear fewer layers.

April and May (Springtime): Pack a variety of warm clothes for the chilly mornings and breezy items for the pleasant afternoons. Due to the weather, hiking boots and waterproof gear are still needed.

June to August (Summer): The attire should be light, breathable, protected from the sun, and appropriate hiking footwear. Add a bathing suit for beach days and camping supplies for hot summer evenings.

September and October (Early autumn): Dress in layers to accommodate shifting temperatures, much like spring. Even when it rains less, wearing waterproof apparel is still essential.

November and December (Late Fall and winter): As the weather turns colder and wetter, switch back to warmer, waterproof clothes and equipment. Layers and waterproof boots are needed.

Don’t forget to modify your packing list based on the Olympic National Park weather by month and the particular activities you want to engage in. All year long, waterproof gear is essential, but the appropriate weight and warmth of clothes should be determined by the season.

Seasonal Highlights and Events: Olympic National Park Weather by Month

Olympic National Park Weather by Month

  • Late July marks the peak of the wildflower bloom, transforming alpine meadows into a vibrant spectacle, perfect for capturing wildflower photographs.
  • August, witness the salmon migration as it begins, offering wildlife enthusiasts excellent opportunities to observe these fish returning to nest in the rivers and streams.
  • From December to February, winter blankets the park in tranquility, offering captivating views of snow-covered landscapes. Visitors can engage in cross-country skiing and snowshoeing, all while savoring the park’s breathtaking scenery.

These unique opportunities, along with the allure of Hoh Rainforest waterfalls, coincide with the Olympic National Park weather by month, providing visitors with a year-round array of ways to engage with the park’s natural wonders and wildlife.


For the most satisfying experience, schedule your visit to Olympic National Park around the park’s monthly weather trends. The varied climate, which ranges from bright summers to rainy winters, has a big impact on both landscapes and activities. There are ideal times of year for hiking, seeing wildlife, and watching storms. Travelers need to pack appropriately, taking into account the likelihood of rain. 

Every month is exceptional in the park because of its distinct natural occurrences and phenomena, such as salmon migrations and wildflower blooms. Travelers can make the most of their vacation by planning their visit around the Olympic National Park weather by month. This will allow them to fully enjoy the park’s varied splendor and make sure they are adequately equipped for its constantly shifting weather.

FAQs On Olympic National Park Weather by Month

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