ClimateForecastMayJune >>

Average monthly snow and rainfall in Olympic National Park (WA)

The mean monthly precipitation over the year in Olympic National Park (Washington State), including rain, snow, hail.

  • A lot of rain (rainy season) falls in the months: January, February, March, April, October, November and December.
  • Olympic National Park has dry periods in July and August.
  • On average, November is the wettest month with 327 mm of precipitation.
  • On average, July is the driest month with 15 mm of precipitation.
  • The average amount of annual precipitation is 1802 mm.

Forecast for Olympic National Park (WA)

Fri   May 17
12°C | -2°C
W 18 km/h
partly cloudy and no rain

partly cloudy and no rain

Sat   May 18
8°C | 0°C
W 11 km/h
2.5 mm
broken clouds and rain

broken clouds and rain

Sun   May 19
11°C | -1°C
NW 7 km/h
0.7 mm
broken clouds and rain

broken clouds and rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Olympic National Park.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.