Reference Data in Marseille 12 indicators covering reference data for Marseille. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 250.04 Degree days 2025 up 3.8% 439th Cooling and heating degree days - Cities and FUAs — Change in cooling 74.44 Degree days 2025 up 14.2% 244th Cooling and heating degree days - Cities and FUAs 930.89 Degree days 2025 down 18.8% 919th Cooling and heating degree days - Cities and FUAs — Change in heating -400.18 Degree days 2025 down 117.2% 834th Precipitation - Cities and FUAs — Extreme precipitation days 8.43 Days per year 2024 down 28.9% 530th Precipitation - Cities and FUAs — Change in extreme precipitation 1.14 Days per year 2024 down 75.0% 635th Dependency ratio - Cities and FUAs 31.8 Percentage of population aged 15-64 years 2022 up 11.2% 473rd 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 0.0066 Percentage of built-up area 2022 down 0.3% 261st Main mode of transport to work - Cities and FUAs — Employed persons 353,349 Persons 2022 up 7.9% 52nd Internet speed - Cities and FUAs — Downloading speed 4.4 Percentage of national value 2025 down 80.9% 713th Internet speed - Cities and FUAs — Uploading speed -0.6 Percentage of national value 2025 down 110.3% 739th