In May, Beaverton typically sees daytime highs of 19.5°C and overnight lows around 6.7°C. Compared to the annual average high of 16.7°C, May runs +2.8°C.
May in Beaverton averages a daytime high of 19.5°C and an overnight low of 6.7°C.
May runs +2.8°C compared to Beaverton's annual average high of 16.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.5°C and cooler evenings around 6.7°C.