Reference Data in Frankfurt am Main 11 indicators covering reference data for Frankfurt am Main. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 60.54 Degree days 2025 down 57.2% 738th Cooling and heating degree days - Cities and FUAs — Change in cooling -8.74 Degree days 2025 down 112.1% 670th Cooling and heating degree days - Cities and FUAs 1,938 Degree days 2025 down 4.6% 424th Cooling and heating degree days - Cities and FUAs — Change in heating -390.55 Degree days 2025 down 31.6% 799th Precipitation - Cities and FUAs — Extreme precipitation days 4.11 Days per year 2024 up 37.0% 836th Precipitation - Cities and FUAs — Change in extreme precipitation 2.5 Days per year 2024 up 80.1% 391st Dependency ratio - Cities and FUAs 22.8 Percentage of population aged 15-64 years 2025 up 0.4% 934th 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 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed 20.4 Percentage of national value 2025 down 1.4% 179th Internet speed - Cities and FUAs — Uploading speed -11.4 Percentage of national value 2025 down 936.4% 930th