Average humidity in Olympic National Park (WA)

On this page you find more information about the monthly relative humidity over the year in Olympic National Park (Washington State), the United States of America.

Olympic National Park's humidity levels vary throughout the year. The highest levels occur in January, reaching 78% (high), while the lowest is recorded in July at 55%.

Throughout the year, the average humidity in Olympic National Park is 65%.

Humidity plays an important role in how temperatures are felt. During the warmest month, July, the maximum average temperature is around 19°C (66°F).

During the coldest month, December, the maximum average temperature is around 2°C (36°F). This period has high humidity. When winter temperatures are low and humidity is high, it can make the air feel even colder than it actually is. Check out our detailed temperature page for more information.