Reference Data in Gelsenkirchen 11 indicators covering reference data for Gelsenkirchen. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs β Cooling degree 37.36 Degree days 2025 down 42.9% 829th Cooling and heating degree days - Cities and FUAs β Change in cooling -11.36 Degree days 2025 down 168.2% 724th Cooling and heating degree days - Cities and FUAs 1,751 Degree days 2025 down 9.7% 527th Cooling and heating degree days - Cities and FUAs β Change in heating -458.8 Degree days 2025 down 70.0% 998th Precipitation - Cities and FUAs β Extreme precipitation days 5 Days per year 2024 up 11.1% 745th Precipitation - Cities and FUAs β Change in extreme precipitation 2.53 Days per year 2024 up 24.6% 384th Dependency ratio - Cities and FUAs 32.1 Percentage of population aged 15-64 years 2025 up 1.9% 462nd 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 Percentage of built-up area 2022 β 277th Internet speed - Cities and FUAs β Downloading speed 7.7 Percentage of national value 2025 down 73.8% 567th Internet speed - Cities and FUAs β Uploading speed -29.2 Percentage of national value 2025 down 284.2% 1159th