Average monthly snow and rainfall in Forest Grove (OR)
The mean monthly precipitation over the year in Forest Grove (Oregon), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: January, February, March, November and December.
- Forest Grove has dry periods in July and August.
- On average, December is the wettest month with 216 mm of precipitation.
- On average, July is the driest month with 8 mm of precipitation.
- The average amount of annual precipitation is 1111 mm.
Forecast for Forest Grove (OR)
overcast and rain
partly cloudy and rain
partly cloudy and rain