Reference Data in Liège 15 indicators covering reference data for Liège. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 31.88 Degree days 2025 down 49.1% 861st Cooling and heating degree days - Cities and FUAs — Change in cooling -3.56 Degree days 2025 down 113.1% 542nd Cooling and heating degree days - Cities and FUAs 1,803 Degree days 2025 down 11.8% 495th Cooling and heating degree days - Cities and FUAs — Change in heating -485.05 Degree days 2025 down 98.8% 1042nd Cooling and heating degree days - Cities and FUAs — Change in heating -34.64 % change on previous year 2025 down 165.0% 676th Cooling and heating degree days - Cities and FUAs, annual growth rate -6.47 % change on previous year 2025 down 141.1% 620th Cooling and heating degree days - Cities and FUAs — Change in cooling -134.28 % change on previous year 2025 down 133.3% 693rd Cooling and heating degree days - Cities and FUAs — Cooling degree -30.43 % change on previous year 2025 down 122.2% 532nd Precipitation - Cities and FUAs — Extreme precipitation days 4.6 Days per year 2024 up 15.0% 774th Precipitation - Cities and FUAs — Change in extreme precipitation 2.13 Days per year 2024 up 39.3% 446th Dependency ratio - Cities and FUAs 29.6 Percentage of population aged 15-64 years 2025 up 8.0% 595th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed 15.9 Percentage of national value 2025 up 183.2% 294th Internet speed - Cities and FUAs — Uploading speed 64.7 Percentage of national value 2025 up 353.7% 27th