Reference Data in Wollongong 11 indicators covering reference data for Wollongong. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 75.47 Degree days 2025 down 49.3% 706th Cooling and heating degree days - Cities and FUAs — Change in cooling -47.45 Degree days 2025 down 282.8% 1103rd Cooling and heating degree days - Cities and FUAs 312.97 Degree days 2025 down 33.1% 1127th Cooling and heating degree days - Cities and FUAs — Change in heating -165.34 Degree days 2025 down 1,494.9% 395th Precipitation - Cities and FUAs — Extreme precipitation days 10.5 Days per year 2024 up 37.0% 453rd Precipitation - Cities and FUAs — Change in extreme precipitation 0.5724 Days per year 2024 up 125.3% 752nd Dependency ratio - Cities and FUAs 27.8 Percentage of population aged 15-64 years 2024 up 12.6% 694th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 273rd Coastal flooding - Cities and FUAs — Built-up area exposure to 0.0586 Percentage of built-up area 2022 up 4.1% 198th Internet speed - Cities and FUAs — Downloading speed -1.8 Percentage of national value 2025 down 147.4% 947th Internet speed - Cities and FUAs — Uploading speed -0.1 Percentage of national value 2025 down 100.4% 730th