Average monthly snow and rainfall in Gresham (OR)
The mean monthly precipitation over the year in Gresham (Oregon), including rain, snow, hail.
- A lot of rain (rainy season) falls in the months: January, February, March, April, October, November and December.
- Gresham has dry periods in July and August.
- On average, December is the wettest month with 219 mm of precipitation.
- On average, August is the driest month with 14 mm of precipitation.
- The average amount of annual precipitation is 1369 mm.
Weather Forecasts for Gresham (OR)
partly cloudy and rain
overcast and rain
overcast and heavy rain