Hermiston, OR is located in the Northwestern region of the United States and enjoys a mild climate with warm summers and cold winters. The area receives plenty of rain throughout the year. In the summer months, temperatures range from the low seventies to mid-eighties Fahrenheit, while winter temperatures can dip down into the twenties and thirties Fahrenheit. The area experiences moderate humidity levels throughout the year, as well as low levels of air pollution compared to other cities in Oregon.
Hermiston, Oregon gets 10 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hermiston averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 189 sunny days per year in Hermiston. The US average is 205 sunny days.
Hermiston gets some kind of precipitation, on average, 78 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.
Weather Highlights
Summer High: the July high is around 89 degrees
Winter Low: the January low is 28
Rain: averages 10 inches of rain a year
Snow: averages 2 inches of snow a year