Cottage Grove, OR has a mild climate with warm summers and cool winters. During the summer months, temperatures average in the mid-70s throughout the day and drop to the low-50s at night. Winters are usually cool and damp with temperatures averaging in the upper-30s to mid-40s during the day and dropping into the low 20s at night. Rainfall is plentiful throughout the year, especially during spring and fall when it averages around 1 to 2 inches per month. Snowfall is rare but can occur from December through February, bringing an average of 2 to 3 inches of snow each month.
Cottage Grove, Oregon gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cottage Grove averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 159 sunny days per year in Cottage Grove. The US average is 205 sunny days.
Cottage Grove gets some kind of precipitation, on average, 155 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 81 degrees
Winter Low: the January low is 34
Rain: averages 47 inches of rain a year
Snow: averages 2 inches of snow a year