Reference Data in Sapporo 11 indicators covering reference data for Sapporo. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 72.26 Degree days 2025 up 103.7% 714th Cooling and heating degree days - Cities and FUAs — Change in cooling 36.76 Degree days 2025 up 139,750.0% 325th Cooling and heating degree days - Cities and FUAs 3,679 Degree days 2025 up 8.9% 22nd Cooling and heating degree days - Cities and FUAs — Change in heating -139 Degree days 2025 up 68.4% 343rd Precipitation - Cities and FUAs — Extreme precipitation days 10.36 Days per year 2024 up 16.1% 456th Precipitation - Cities and FUAs — Change in extreme precipitation -0.4861 Days per year 2024 up 74.8% 971st Dependency ratio - Cities and FUAs 46 Percentage of population aged 15-64 years 2020 up 50.8% 75th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 down 100.0% 273rd Coastal flooding - Cities and FUAs — Built-up area exposure to 0 Percentage of built-up area 2022 — 277th Internet speed - Cities and FUAs — Downloading speed -13.1 Percentage of national value 2025 up 29.9% 1189th Internet speed - Cities and FUAs — Uploading speed -8.8 Percentage of national value 2025 up 53.7% 884th