Reference Data in Alcalá de Henares 11 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% 394th Cooling and heating degree days - Cities and FUAs — Change in cooling -50.04 Degree days 2025 down 134.9% 1121st Cooling and heating degree days - Cities and FUAs 972.42 Degree days 2025 down 28.6% 896th Cooling and heating degree days - Cities and FUAs — Change in heating -582.66 Degree days 2025 down 201.9% 1149th Precipitation - Cities and FUAs — Extreme precipitation days 3.75 Days per year 2024 up 150.0% 893rd Precipitation - Cities and FUAs — Change in extreme precipitation 1.32 Days per year 2024 up 241.1% 604th Dependency ratio - Cities and FUAs 28.3 Percentage of population aged 15-64 years 2022 up 58.1% 673rd 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 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% 236th