Monmouth, OR has a mild climate with warm temperatures in the summer months and cool to cold temperatures in the winter months. The average high temperature during the summer reaches around 85° F while the average low temperature during the winter dips to around 30° F. Rainfall is reasonably abundant throughout the year, and snowfall is typically light and short-lived. Residents of Monmouth can enjoy moderate temperatures throughout spring and autumn as well - highs range from around 65° F in April to 75° F in October.
Monmouth, Oregon gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Monmouth averages 4 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 154 sunny days per year in Monmouth. The US average is 205 sunny days.
Monmouth gets some kind of precipitation, on average, 149 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 82 degrees
Winter Low: the January low is 35
Rain: averages 43 inches of rain a year
Snow: averages 4 inches of snow a year