The climate in Hermiston, OR (97838) is characterized by hot, dry summers and mild winters. The average daily high temperature in the summer months is around 86 degrees Fahrenheit while the average daily low temperature in winter months is around 32 degrees Fahrenheit. Precipitation typically occurs throughout the year, with greater amounts during the late fall and early spring. Snowfall is rare but can occur on occasion during winter months.
Hermiston (zip 97838), Oregon gets 10 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hermiston (zip 97838) averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in Hermiston (zip 97838). The US average is 205 sunny days.
Hermiston (zip 97838) 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