99037 Spokane Valley, WA enjoys a warm-summer Mediterranean climate with hot summers and cold winters. The average temperature in the summer is around 77 degrees Fahrenheit (25 Celsius). Winters tend to be cold with temperatures rarely falling below 25 degrees Fahrenheit (-4 Celsius). Spokane Valley experiences approximately 12 inches of rain annually, most of which falls during the winter months. In terms of snowfall, Spokane Valley usually receives 18 inches each year, though the amount can vary greatly from year to year.
Spokane Valley (zip 99037), Washington gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Spokane Valley (zip 99037) averages 42 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 174 sunny days per year in Spokane Valley (zip 99037). The US average is 205 sunny days.
Spokane Valley (zip 99037) gets some kind of precipitation, on average, 117 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 84 degrees
Winter Low: the January low is 25
Rain: averages 20 inches of rain a year
Snow: averages 42 inches of snow a year