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Olympic Peninsula

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Olympic Peninsula Weather and climate

Data source：Meteostat
Update date：2025-09

Olympic Peninsula year round climate
  • Spring (March–May): Average 0.2–5°C, cold and humid climate, less rainfall, but staying warm is still necessary. Common activities: birdwatching, hiking (choose lower altitude routes). Recommended clothing: waterproof jacket, thermal underwear, thick sweater, waterproof pants.
  • Summer (June–August): Average 8.7–15.7°C, cool climate, very little rainfall, more sunny days. Common activities: beach activities, camping, hiking (higher altitude routes can be chosen). Recommended clothing: light and breathable clothing, sun protection clothing, rain gear (in case of occasional rain).
  • Autumn (September–November): Average 5.6–11.5°C, the climate turns cooler, rainfall gradually increases, and the weather is changeable. Common activities: viewing autumn leaves (in some areas), whale watching (depending on the season), hiking. Recommended clothing: warm jacket, waterproof jacket, long pants, comfortable hiking shoes.
  • Winter (December–February): Average -0.5–1.8°C, cold and humid climate, more rainfall, and snow may fall in some areas. Common activities: skiing (requires going to specific areas), birdwatching. Recommended clothing: warm waterproof jacket, hat, scarf, gloves, waterproof pants, warm boots.
Olympic Peninsula climatological average

Annual average temperature: approx. 5.3°C / Annual rainfall: approx. 128 mm / Summer humidity: 60%–70% / Rainiest month: December

Olympic Peninsula monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-0.5°C
16.6
February
-0.5°C
8.9
March
0.2°C
7.7
April
1.3°C
5.1
May
5°C
3.7
June
8.7°C
4.4
July
15.7°C
0.6
August
13.9°C
2.9
September
11.5°C
4.5
October
5.6°C
15.9
November
0.8°C
28.5
December
1.8°C
29.6
Olympic Peninsula weather for the next seven days
10/14
Tuesday
Sunny
15.4°C/6.3°C
10/15
Wednesday
Sunny
15°C/8.3°C
10/16
Thursday
Cloudy
9°C/5.1°C
10/17
Friday
Patchy rain nearby
13.6°C/5.8°C
10/18
Saturday
Patchy rain nearby
13.5°C/5.7°C
10/19
Sunday
Patchy rain nearby
9.5°C/5.5°C
10/20
Monday
Patchy rain nearby
10.2°C/4.2°C

Olympic Peninsula FAQ

How many days are recommended for visiting the Olympic Peninsula?
A minimum of 4 days is ideal to experience the main highlights of the Olympic Peninsula, offering a balance between exploration and relaxation. For a more in-depth discovery of all its diverse landscapes, consider extending your visit to 7 days.
What is the best time of year to visit the Olympic Peninsula?
The ideal time to visit the Olympic Peninsula depends on your preferences. July and August provide the warmest weather and full facility access. Late spring, from May to June, offers fewer crowds, blooming wildflowers, and high waterfalls. Early fall, September to October, is also excellent for enjoying the natural beauty before the rainy season begins.
How does Olympic National Park compare to Mount Rainier?
Mount Rainier is renowned for its majestic active volcano and glaciated peaks, focusing on alpine environments. In contrast, Olympic National Park is larger and more varied, protecting three distinct ecosystems: rugged mountains, temperate rainforests, and a wild Pacific coastline. Choose Mount Rainier for dramatic volcanic scenery and high-altitude hikes, or Olympic for its incredible diversity, including rainforests and coastal experiences.
Where are the best places to stay on the Olympic Peninsula?
Accommodation options on the Olympic Peninsula are plentiful. Popular areas include Sequim, with hotels like 7 Cedars Hotel & Casino and Juan de Fuca Waterfront Hotel & Cottages, and Port Angeles, featuring the Olympic Lodge by Ayres. You can also find unique stays at The Monarch Hotel or the Resort at Port Ludlow.
What are the key ecosystems found on the Olympic Peninsula?
The Olympic Peninsula is celebrated for its extraordinary diversity, encompassing three dramatically different worlds. These include the rugged, glaciated mountain ranges, the lush, ancient temperate rainforests, and the wild, untamed Pacific coastline, offering a unique range of natural wonders for every traveler.