In May, Sydney typically sees daytime highs of 12.0°C and overnight lows around 2.8°C. Compared to the annual average high of 9.8°C, May runs +2.3°C.
May in Sydney averages a daytime high of 12.0°C and an overnight low of 2.8°C.
May runs +2.3°C compared to Sydney's annual average high of 9.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 12.0°C and cooler evenings around 2.8°C.