Reference Data in Bydgoszcz 11 indicators covering reference data for Bydgoszcz. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 7.37 Degree days 2025 down 91.9% 1107th Cooling and heating degree days - Cities and FUAs — Change in cooling -37.52 Degree days 2025 down 181.9% 1059th Cooling and heating degree days - Cities and FUAs 2,309 Degree days 2025 down 0.9% 250th Cooling and heating degree days - Cities and FUAs — Change in heating -446.98 Degree days 2025 down 4.7% 966th Precipitation - Cities and FUAs — Extreme precipitation days 0.8749 Days per year 2024 up 250.3% 1251st Precipitation - Cities and FUAs — Change in extreme precipitation -0.7918 Days per year 2024 up 44.1% 1044th Dependency ratio - Cities and FUAs 39 Percentage of population aged 15-64 years 2024 up 49.4% 204th 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 24.6 Percentage of national value 2025 down 58.4% 126th Internet speed - Cities and FUAs — Uploading speed -2.8 Percentage of national value 2025 down 184.8% 784th