Ontario (OR) Precipitation: Average Monthly Rainfall and Snowfall
This graph shows the average amount of rainfall per month in Ontario (Oregon). The numbers are calculated over a 30-year period to provide a reliable average.
- Ontario has dry periods in January, February, April, May, June, July, August, September, October and November.
- On average, December is the wettest month with 45 mm of precipitation.
- On average, July is the driest month with 4 mm of precipitation.
- The average amount of annual precipitation is 232 mm.
Current rainfall in Ontario (OR)
almost clear and no rain
clear and no rain
clear and no rain