Reference Data in Alcalá de Henares 15 indicators covering reference data for Alcalá de Henares. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 307.59 Degree days 2025 down 38.6% 393rd Cooling and heating degree days - Cities and FUAs — Change in cooling -50.04 Degree days 2025 down 134.9% 1116th Cooling and heating degree days - Cities and FUAs 972.42 Degree days 2025 down 28.6% 891st Cooling and heating degree days - Cities and FUAs — Change in heating -582.66 Degree days 2025 down 201.9% 1140th Cooling and heating degree days - Cities and FUAs — Change in heating -161.28 % change on previous year 2025 down 968.5% 1106th Cooling and heating degree days - Cities and FUAs, annual growth rate -27 % change on previous year 2025 down 908.6% 1103rd Cooling and heating degree days - Cities and FUAs — Change in cooling -144.51 % change on previous year 2025 down 46.8% 760th Cooling and heating degree days - Cities and FUAs — Cooling degree -34.56 % change on previous year 2025 down 186.7% 589th Precipitation - Cities and FUAs — Extreme precipitation days 3.75 Days per year 2024 up 150.0% 885th Precipitation - Cities and FUAs — Change in extreme precipitation 1.32 Days per year 2024 up 241.1% 598th Dependency ratio - Cities and FUAs 28.3 Percentage of population aged 15-64 years 2022 up 58.1% 669th 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 32 Percentage of national value 2025 down 48.4% 68th Internet speed - Cities and FUAs — Uploading speed 25.7 Percentage of national value 2025 down 57.6% 235th