Reference Data in Winterthur 15 indicators covering reference data for Winterthur. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 25.04 Degree days 2025 down 75.7% 909th Cooling and heating degree days - Cities and FUAs — Change in cooling -21.59 Degree days 2025 down 138.2% 892nd Cooling and heating degree days - Cities and FUAs 1,730 Degree days 2025 down 26.5% 541st Cooling and heating degree days - Cities and FUAs — Change in heating -863.96 Degree days 2025 down 258.5% 1275th Cooling and heating degree days - Cities and FUAs — Change in heating -179.19 % change on previous year 2025 down 500.6% 1126th Cooling and heating degree days - Cities and FUAs, annual growth rate -24.28 % change on previous year 2025 down 368.5% 1066th Cooling and heating degree days - Cities and FUAs — Change in cooling -177.29 % change on previous year 2025 down 134.9% 921st Cooling and heating degree days - Cities and FUAs — Cooling degree -66.42 % change on previous year 2025 down 131.0% 943rd Precipitation - Cities and FUAs — Extreme precipitation days 6 Days per year 2024 down 14.3% 641st Precipitation - Cities and FUAs — Change in extreme precipitation -0.7657 Days per year 2024 down 427.5% 1024th Dependency ratio - Cities and FUAs 24.1 Percentage of population aged 15-64 years 2023 up 1.3% 868th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st 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 16.1 Percentage of national value 2025 down 62.1% 289th Internet speed - Cities and FUAs — Uploading speed 45.9 Percentage of national value 2025 down 54.2% 89th