Ontario, Oregon gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ontario averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 207 sunny days per year in Ontario. The US average is 205 sunny days.
Ontario gets some kind of precipitation, on average, 79 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 92 degrees
Winter Low: the January low is 20
Rain: averages 11 inches of rain a year
Snow: averages 13 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Ontario is 7.2 (10=best), which means it is about average compared to other places in Oregon.
7.2 / 10
June, September and May are the most pleasant months in Ontario, while December and January are the least comfortable months.