Sisters, Oregon gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sisters averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 162 sunny days per year in Sisters. The US average is 205 sunny days.
Sisters gets some kind of precipitation, on average, 73 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 84 degrees
Winter Low: the January low is 23
Rain: averages 11 inches of rain a year
Snow: averages 16 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Sisters is 7.0 (10=best), which means it is less comfortable than most places in Oregon.
7 / 10
August, July and September are the most pleasant months in Sisters, while December and January are the least comfortable months.