Wilsonville, Oregon gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Wilsonville averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 141 sunny days per year in Wilsonville. The US average is 205 sunny days.
Wilsonville gets some kind of precipitation, on average, 147 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 82 degrees
Winter Low: the January low is 36
Rain: averages 43 inches of rain a year
Snow: averages 2 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Wilsonville is 7.5 (10=best), which means it is more comfortable than most places in Oregon.
9.4 / 5.6
Summer / Winter
August, July and September are the most pleasant months in Wilsonville, while December and January are the least comfortable months.