Spokane's Climate
Keep in mind that Spokane’s climate is dry with hot summers and cold winters. The USDA hardiness zone, which refers to the average minimum winter temperature, is (6a). Our average annual precipitation is 17” compared to 37” in Seattle and 43” in Portland. In 2021, rainfall in Spokane was less than average - only 12.5". Understanding our climate is essential when designing a garden and choosing plants.
Keep in mind that Spokane’s climate is dry with hot summers and cold winters. The USDA hardiness zone, which refers to the average minimum winter temperature, is (6a). Our average annual precipitation is 17” compared to 37” in Seattle and 43” in Portland. In 2021, rainfall in Spokane was less than average - only 12.5". Understanding our climate is essential when designing a garden and choosing plants.