In May, Sydney typically sees daytime highs of 19.4°C and overnight lows around 9.9°C. Compared to the annual average high of 21.9°C, May runs -2.5°C.
May in Sydney averages a daytime high of 19.4°C and an overnight low of 9.9°C.
May runs -2.5°C compared to Sydney's annual average high of 21.9°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 19.4°C and cooler evenings around 9.9°C.