 Such low temperatures may provide mild to moderate frost in the western suburbs.Winter in central Sydney tends to be more mild where the lows rarely drop below , and highs hovering at around 16 ° C (61 ° F) and 17 ° C (63 ° F) mainly due to proximity to the ocean.In the west, Liverpool and Richmond have 4 and 38 nights, respectively, where temperatures dip below .