Summer Lake, OR is located in a dry, high-desert climate with cool winters and hot summers. The area experiences an average of 310 sunny days per year. On average, July is the hottest month of the year with temperatures ranging from 88°F (31°C) during the day to 48°F (9°C) at night. The coldest months are December and January, when temperatures typically range from 55°F (13°C) during the day to 23°F (-5°C) at night. Precipitation levels in 97640 Summer Lake, OR are extremely low with an annual average of only 8 inches (203 mm).
Summer Lake (zip 97640), Oregon gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Summer Lake (zip 97640) averages 14 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 211 sunny days per year in Summer Lake (zip 97640). The US average is 205 sunny days.
Summer Lake (zip 97640) gets some kind of precipitation, on average, 83 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 87 degrees
Winter Low: the January low is 23
Rain: averages 12 inches of rain a year
Snow: averages 14 inches of snow a year