Christmas 2024 Weather Forecast Sydney Au. Sydneysiders will be treated to a warm, sunny day with accuweather predicting 24 degrees on christmas day, december 25 with some clouds. Explore comprehensive december 2024 weather forecasts for sydney, including daily high and low temperatures, precipitation risks, and monthly temperature trends.

Cloudy with a high chance of showers, and light winds. Warmer than average days and nights are likely to very likely across most of australia.