March in Spokane averages a daily high of 9.2°C with nights around -0.6°C. Expect roughly 11.8 wet days totalling 45.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Spokane is June–September.
Based on SPOKANE INTERNATIONAL AIRPORT, WA US (8.5km), 1995–2024. 30 years of March data.