Reference Data in Bilbao 11 indicators covering reference data for Bilbao. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 33.36 Degree days 2025 down 35.3% 861st Cooling and heating degree days - Cities and FUAs — Change in cooling -5.88 Degree days 2025 down 147.7% 609th Cooling and heating degree days - Cities and FUAs 991.79 Degree days 2025 down 10.3% 892nd Cooling and heating degree days - Cities and FUAs — Change in heating -249.19 Degree days 2025 down 84.7% 547th Precipitation - Cities and FUAs — Extreme precipitation days 11.8 Days per year 2024 up 110.7% 402nd Precipitation - Cities and FUAs — Change in extreme precipitation 3.93 Days per year 2024 up 273.6% 237th Dependency ratio - Cities and FUAs 38.8 Percentage of population aged 15-64 years 2022 up 20.1% 213th 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 0.1784 Percentage of built-up area 2022 down 3.1% 160th Internet speed - Cities and FUAs — Downloading speed 22.2 Percentage of national value 2025 down 18.7% 158th Internet speed - Cities and FUAs — Uploading speed 28.4 Percentage of national value 2025 up 688.9% 202nd