In May, Chattanooga typically sees daytime highs of 25.0°C and overnight lows around 12.5°C. Compared to the annual average high of 20.2°C, May runs +4.8°C.
May in Chattanooga averages a daytime high of 25.0°C and an overnight low of 12.5°C.
May runs +4.8°C compared to Chattanooga's annual average high of 20.2°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 25.0°C and cooler evenings around 12.5°C.