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.
How Much Snow Normally Accumulates in Spokane. For about half of winter days, Spokane has at least an inch of snow on the ground. Snow mostly accumulates during December and January. Typically, on four days in January and another one or two in December and in February, the snow covering Spokane gets to ten or more inches deep.