Reference Data in Winterthur 11 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% 917th Cooling and heating degree days - Cities and FUAs — Change in cooling -21.59 Degree days 2025 down 138.2% 897th Cooling and heating degree days - Cities and FUAs 1,730 Degree days 2025 down 26.5% 542nd Cooling and heating degree days - Cities and FUAs — Change in heating -863.96 Degree days 2025 down 258.5% 1284th Precipitation - Cities and FUAs — Extreme precipitation days 6 Days per year 2024 down 14.3% 648th Precipitation - Cities and FUAs — Change in extreme precipitation -0.7657 Days per year 2024 down 427.5% 1031st Dependency ratio - Cities and FUAs 24.1 Percentage of population aged 15-64 years 2023 up 1.3% 875th 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 Internet speed - Cities and FUAs — Downloading speed 16.1 Percentage of national value 2025 down 62.1% 291st Internet speed - Cities and FUAs — Uploading speed 45.9 Percentage of national value 2025 down 54.2% 89th