Annex, OR has a mostly mild climate with warm and dry summers and cool and wet winters. The average high temperature in the summer is about 78°F, while the average low temperature in winter is around 28°F. The area receives an average of 25 inches of precipitation annually, with most of that falling from October through April. Winters are often cold and snowy, while the summers tend to be warm and dry, making it an ideal place to enjoy outdoor activities such as hiking and camping.
Annex, Oregon gets 11 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Annex averages 13 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 Annex. The US average is 205 sunny days.
Annex gets some kind of precipitation, on average, 79 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 92 degrees
Winter Low: the January low is 20
Rain: averages 11 inches of rain a year
Snow: averages 13 inches of snow a year