Neither the Natrona County Treasurerâs office nor the Natrona County Assessorâs office will be held liable as to the validity, accuracy, correctness, completeness, and/or reliability of this data.
Spokane, Washington, gets 16 inches of rain per year. The US average is 39. Snowfall is 45 inches. The average US city gets 26 inches of snow per year. The number of days with any measurable precipitation is 51. On average, there are 171 sunny days per year in Spokane, Washington.
When Spokane Has Its First & Last Snowfalls. The first snowfall of winter for Spokane usually arrives in November. Occasionally October also gets a dusting of fresh snow. The season's last snowfall most often happens in March. In one out of four years, an inch or more of new snow lands in April.