Christmas Weather Forecast 2024 Adelaide Cottage. Adelaide is likely to be the warmer than average and the hottest southern capital, with a high well above 30c thanks to a hot air mass descending south from. Insights into temperature, precipitation, and weather trends.

Christmas day is forecasted to reach 24 degrees with sunshine and clouds, perfect weather for an outdoor lunch. Mostly cloudy, with a couple of showers and a thunderstorm.