Reference Data in Grenoble 12 indicators covering reference data for Grenoble. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 55.47 Degree days 2025 down 37.5% 753rd Cooling and heating degree days - Cities and FUAs — Change in cooling 14.74 Degree days 2025 down 69.3% 393rd Cooling and heating degree days - Cities and FUAs 2,260 Degree days 2025 down 10.8% 275th Cooling and heating degree days - Cities and FUAs — Change in heating -607.63 Degree days 2025 down 82.1% 1169th Precipitation - Cities and FUAs — Extreme precipitation days 18.5 Days per year 2024 down 1.8% 210th Precipitation - Cities and FUAs — Change in extreme precipitation 0.3382 Days per year 2024 down 49.7% 789th Dependency ratio - Cities and FUAs 26.3 Percentage of population aged 15-64 years 2022 up 8.2% 771st Wind threats - Cities and FUAs — Exposure to wind threats 2.48 Percentage of area 2023 unchanged 245th 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 134,388 Persons 2022 up 4.5% 133rd Internet speed - Cities and FUAs — Downloading speed 13.5 Percentage of national value 2025 down 29.3% 370th Internet speed - Cities and FUAs — Uploading speed 13.7 Percentage of national value 2025 up 158.5% 407th