Reference Data in Clermont-Ferrand 12 indicators covering reference data for Clermont-Ferrand. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 68.93 Degree days 2025 down 43.6% 721st Cooling and heating degree days - Cities and FUAs — Change in cooling 16.98 Degree days 2025 down 75.8% 383rd Cooling and heating degree days - Cities and FUAs 1,892 Degree days 2025 down 11.5% 451st Cooling and heating degree days - Cities and FUAs — Change in heating -512.87 Degree days 2025 down 92.8% 1088th Precipitation - Cities and FUAs — Extreme precipitation days 7.17 Days per year 2024 up 138.8% 579th Precipitation - Cities and FUAs — Change in extreme precipitation 2.09 Days per year 2024 up 201.1% 458th Dependency ratio - Cities and FUAs 28.4 Percentage of population aged 15-64 years 2022 up 14.1% 667th 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 77,858 Persons 2022 up 6.3% 198th Internet speed - Cities and FUAs — Downloading speed 17.9 Percentage of national value 2025 up 496.7% 247th Internet speed - Cities and FUAs — Uploading speed 17.8 Percentage of national value 2025 up 241.3% 346th