Reference Data in Greater Melbourne 11 indicators covering reference data for Greater Melbourne. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs β Cooling degree 97.17 Degree days 2025 down 52.9% 651st Cooling and heating degree days - Cities and FUAs β Change in cooling -45.34 Degree days 2025 down 171.2% 1096th Cooling and heating degree days - Cities and FUAs 865.72 Degree days 2025 down 14.3% 939th Cooling and heating degree days - Cities and FUAs β Change in heating -182.92 Degree days 2025 down 377.9% 432nd Precipitation - Cities and FUAs β Extreme precipitation days 3.84 Days per year 2024 up 97.8% 881st Precipitation - Cities and FUAs β Change in extreme precipitation -0.2608 Days per year 2024 up 87.9% 922nd Dependency ratio - Cities and FUAs 21.1 Percentage of population aged 15-64 years 2024 up 8.8% 998th Wind threats - Cities and FUAs β Exposure to wind threats 0 Percentage of area 2023 down 100.0% 273rd Coastal flooding - Cities and FUAs β Built-up area exposure to 0.0576 Percentage of built-up area 2022 down 14.2% 199th Internet speed - Cities and FUAs β Downloading speed 7.5 Percentage of national value 2025 down 7.4% 575th Internet speed - Cities and FUAs β Uploading speed 7.6 Percentage of national value 2025 up 28.8% 553rd