In May, Fort Smith typically sees daytime highs of 27.0°C and overnight lows around 14.3°C. Compared to the annual average high of 22.7°C, May runs +4.3°C.
May in Fort Smith averages a daytime high of 27.0°C and an overnight low of 14.3°C.
May runs +4.3°C compared to Fort Smith's annual average high of 22.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 27.0°C and cooler evenings around 14.3°C.