Willamette National Forest (OR) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Willamette National Forest (Oregon). The numbers are calculated over a 30-year period to provide a reliable average.
- A lot of rain (rainy season) falls in the months: January, February, March, April, May, June, October, November and December.
- On average, December is the wettest month with 443 mm of precipitation.
- On average, July is the driest month with 20 mm of precipitation.
- The average amount of annual precipitation is 2525 mm.
Current rainfall in Willamette National Forest (OR)
broken clouds and slight rain
overcast and heavy sleet
broken clouds and sleet