In October, Sydney typically sees daytime highs of 22.2°C and overnight lows around 12.4°C. Compared to the annual average high of 21.9°C, October runs +0.3°C.
October in Sydney averages a daytime high of 22.2°C and an overnight low of 12.4°C.
October runs +0.3°C compared to Sydney's annual average high of 21.9°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 22.2°C and cooler evenings around 12.4°C.