Christmas Day 2024 Weather Adelaide. South australians are set to roast on christmas day with the maximum temperature revised to 37c — 8c higher than initially forecast. The temperatures in adelaide in december are comfortable with low of 17 ° c and and high up to 26 ° c.
Change location start typing (town, city, postcode or lat/lon), then select from. The warmest day was 39.9 °c on 9 march, and the coolest day was on 19 may when the temperature reached 16.0 °c.