April in Spokane averages a daily high of 13.9°C with nights around 2.3°C. Expect roughly 9.8 wet days totalling 29.6mm. Generally workable, with some weather to plan around.
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 April data.