Heat pump vs gas running cost — Australia
The 34 cities in Australia where a weather station close enough to the city can supply a design temperature. Coldest first.
| City | Design temperature | Heating degree days | Coldest month |
|---|---|---|---|
| Goulburn | −6.9 °C | 1,560 | Jul |
| Tuggeranong | −5.8 °C | 1,377 | Jul |
| Canberra | −5.5 °C | 1,362 | Jul |
| Orange | −5.0 °C | 1,747 | Jul |
| Bathurst | −4.8 °C | 1,430 | Jul |
| Armidale | −3.9 °C | 1,371 | Jul |
| Wangaratta | −3.7 °C | 1,188 | Jul |
| Bendigo | −2.6 °C | 1,150 | Jul |
| Ballarat | −2.4 °C | 1,597 | Jul |
| Shepparton | −2.4 °C | 1,038 | Jul |
| Cessnock | −2.3 °C | 572 | Jul |
| Launceston | −2.1 °C | 1,350 | Jul |
| Dubbo | −2.0 °C | 951 | Jul |
| Griffith | −1.9 °C | 812 | Jul |
| Burnie | −1.9 °C | 1,397 | Jul |
| Wodonga | −1.8 °C | 1,044 | Jul |
| Traralgon | −1.7 °C | 1,105 | Jul |
| Devonport | −0.5 °C | 1,230 | Jul |
| Gawler | −0.5 °C | 854 | Jul |
| Whyalla | −0.3 °C | 526 | Jul |
| Warrnambool | −0.1 °C | 1,177 | Jul |
| Bacchus Marsh | 0.0 °C | 908 | Jul |
| Balwyn North | 0.0 °C | 884 | Jul |
| Mount Gambier | 0.1 °C | 1,125 | Jul |
| Melbourne | 0.5 °C | 903 | Jul |
| Geelong | 0.6 °C | 975 | Jul |
| Saint Albans | 1.0 °C | 966 | Jul |
| Hobart | 1.2 °C | 1,250 | Jul |
| Busselton | 1.4 °C | 538 | Jul |
| Adelaide | 1.8 °C | 545 | Jul |
| Adelaide Hills | 2.0 °C | 1,256 | Jul |
| Albany | 2.3 °C | 648 | Jul |
| Mount Barker | 3.1 °C | 1,087 | Jul |
| Frankston East | 3.7 °C | 777 | Jul |
A city appears here only if a station within 50 km, and within 200 m of its elevation, has at least fifteen complete years of record. Where two cities share the nearest station they would carry identical numbers, so only the larger is published.