Average monthly snow and rainfall in Chehalis (WA)
The mean monthly precipitation over the year in Chehalis (Washington State), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: January, March, November and December.
- Chehalis has dry periods in July and August.
- On average, November is the wettest month with 195 mm of precipitation.
- On average, July is the driest month with 12 mm of precipitation.
- The average amount of annual precipitation is 1116 mm.
Forecast for Chehalis (WA)
broken clouds and slight rain
broken clouds and rain
partly cloudy and rain