In May, Adelaide typically sees daytime highs of 17.8°C and overnight lows around 9.4°C. Compared to the annual average high of 21.1°C, May runs -3.2°C.
May in Adelaide averages a daytime high of 17.8°C and an overnight low of 9.4°C.
May runs -3.2°C compared to Adelaide's annual average high of 21.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 17.8°C and cooler evenings around 9.4°C.