In May, Dallas typically sees daytime highs of 28.6°C and overnight lows around 17.1°C. Compared to the annual average high of 24.8°C, May runs +3.7°C.
May in Dallas averages a daytime high of 28.6°C and an overnight low of 17.1°C.
May runs +3.7°C compared to Dallas's annual average high of 24.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 28.6°C and cooler evenings around 17.1°C.