In May, Killeen typically sees daytime highs of 29.0°C and overnight lows around 17.1°C. Compared to the annual average high of 25.6°C, May runs +3.4°C.
May in Killeen averages a daytime high of 29.0°C and an overnight low of 17.1°C.
May runs +3.4°C compared to Killeen's annual average high of 25.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 29.0°C and cooler evenings around 17.1°C.