Reference Data in Lyon 12 indicators covering reference data for Lyon. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 179.75 Degree days 2025 down 19.0% 528th Cooling and heating degree days - Cities and FUAs — Change in cooling 65.91 Degree days 2025 down 39.0% 263rd Cooling and heating degree days - Cities and FUAs 1,713 Degree days 2025 down 1.2% 555th Cooling and heating degree days - Cities and FUAs — Change in heating -267.63 Degree days 2025 down 8.3% 572nd Precipitation - Cities and FUAs — Extreme precipitation days 10.33 Days per year 2024 up 20.8% 459th Precipitation - Cities and FUAs — Change in extreme precipitation 1.6 Days per year 2024 up 1,024.6% 554th Dependency ratio - Cities and FUAs 24.2 Percentage of population aged 15-64 years 2022 up 6.6% 868th 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 Main mode of transport to work - Cities and FUAs — Employed persons 521,058 Persons 2022 up 8.1% 33rd Internet speed - Cities and FUAs — Downloading speed 14.4 Percentage of national value 2025 down 68.2% 345th Internet speed - Cities and FUAs — Uploading speed 14.6 Percentage of national value 2025 down 71.0% 395th