In May, Spokane typically sees daytime highs of 19.4°C and overnight lows around 5.9°C. Compared to the annual average high of 14.4°C, May runs +4.9°C.
May in Spokane averages a daytime high of 19.4°C and an overnight low of 5.9°C.
May runs +4.9°C compared to Spokane's annual average high of 14.4°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.4°C and cooler evenings around 5.9°C.