Reference Data in Poznań 15 indicators covering reference data for Poznań. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 19.78 Degree days 2025 down 85.2% 974th Cooling and heating degree days - Cities and FUAs — Change in cooling -36.19 Degree days 2025 down 146.3% 1045th Cooling and heating degree days - Cities and FUAs 2,469 Degree days 2025 up 12.1% 179th Cooling and heating degree days - Cities and FUAs — Change in heating -164.92 Degree days 2025 up 61.7% 393rd Cooling and heating degree days - Cities and FUAs — Change in heating 69.85 % change on previous year 2025 up 597.0% 165th Cooling and heating degree days - Cities and FUAs, annual growth rate 18.31 % change on previous year 2025 up 721.8% 85th Cooling and heating degree days - Cities and FUAs — Change in cooling -148.14 % change on previous year 2025 down 200.0% 785th Cooling and heating degree days - Cities and FUAs — Cooling degree -84.92 % change on previous year 2025 down 259.2% 1116th Precipitation - Cities and FUAs — Extreme precipitation days 0.5456 Days per year 2024 — 1257th Precipitation - Cities and FUAs — Change in extreme precipitation -1.25 Days per year 2024 up 30.5% 1121st Dependency ratio - Cities and FUAs 33.1 Percentage of population aged 15-64 years 2024 up 28.3% 417th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 down 100.0% 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 12.5 Percentage of national value 2025 down 51.4% 405th Internet speed - Cities and FUAs — Uploading speed 72.5 Percentage of national value 2025 down 38.1% 20th