Climate averages 1991–2020
Weather in Australia in December
In December, average daytime highs across the 32 cities listed in Australia range from 19.8°C in Hobart to 31.6°C in Darwin. Monthly rainfall ranges from 9.3 mm in Perth to 323 mm in Darwin.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Australia
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Sydney | 24.2°C17.8°C | 17.8°C | 60 | 8.7 |
| Melbourne | 23.3°C12.9°C | 12.9°C | 60 | 7.7 |
| Brisbane | 28.3°C20.0°C | 20.0°C | 110 | 11.4 |
| Perth | 29.0°C17.1°C | 17.1°C | 9.3 | 1.6 |
| Adelaide | 25.3°C15.0°C | 15.0°C | 25 | 4.8 |
| Gold Coast | 26.1°C20.8°C | 20.8°C | 109 | 11.1 |
| Newcastle, Australia | 24.7°C18.6°C | 18.6°C | 70 | 9.8 |
| Sunshine Coast | 27.0°C21.0°C | 21.0°C | 117 | 12.0 |
| Canberra | 24.3°C12.1°C | 12.1°C | 55 | 6.9 |
| Central Coast | 24.4°C18.4°C | 18.4°C | 70 | 10.2 |
| Logan City | 27.7°C20.1°C | 20.1°C | 104 | 10.7 |
| Geelong | 21.9°C12.9°C | 12.9°C | 42 | 6.9 |
| Wollongong | 23.5°C17.5°C | 17.5°C | 72 | 11.4 |
| Hobart | 19.8°C10.9°C | 10.9°C | 58 | 9.8 |
| Townsville | 30.9°C24.3°C | 24.3°C | 88 | 12.5 |
| Cairns | 29.7°C24.4°C | 24.4°C | 142 | 16.1 |
| Toowoomba | 27.3°C16.2°C | 16.2°C | 103 | 10.0 |
| Darwin | 31.6°C25.9°C | 25.9°C | 323 | 24.9 |
| Ballarat | 22.1°C10.3°C | 10.3°C | 52 | 7.0 |
| Mandurah | 28.0°C16.5°C | 16.5°C | 12 | 1.9 |
| Bendigo | 25.8°C13.1°C | 13.1°C | 43 | 4.9 |
| Caloundra | 26.9°C21.0°C | 21.0°C | 117 | 12.0 |
| Launceston | 21.0°C10.3°C | 10.3°C | 57 | 8.1 |
| Maitland | 27.5°C17.6°C | 17.6°C | 71 | 10.0 |
| Tuggeranong | 24.3°C12.1°C | 12.1°C | 81 | 9.6 |
| Mackay | 28.0°C24.1°C | 24.1°C | 117 | 11.6 |
| Rockhampton | 30.9°C22.0°C | 22.0°C | 85 | 9.5 |
| Coffs Harbour | 25.7°C19.5°C | 19.5°C | 150 | 15.8 |
| Blue Mountains | 22.1°C11.0°C | 11.0°C | 121 | 13.5 |
| Bunbury | 26.2°C15.2°C | 15.2°C | 11 | 1.9 |
| Bundaberg | 29.0°C21.6°C | 21.6°C | 97 | 10.2 |
| Adelaide Hills | 23.9°C12.6°C | 12.6°C | 28 | 5.4 |
A rain day is a local calendar day with at least 1 mm of precipitation.