Reference Data in Białystok 11 indicators covering reference data for Białystok. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 8.32 Degree days 2025 down 91.9% 1099th Cooling and heating degree days - Cities and FUAs — Change in cooling -34.57 Degree days 2025 down 157.9% 1036th Cooling and heating degree days - Cities and FUAs 2,495 Degree days 2025 down 3.7% 175th Cooling and heating degree days - Cities and FUAs — Change in heating -586.16 Degree days 2025 down 19.4% 1152nd Precipitation - Cities and FUAs — Extreme precipitation days 0.2503 Days per year 2024 down 87.5% 1282nd Precipitation - Cities and FUAs — Change in extreme precipitation -1.32 Days per year 2024 down 411.6% 1146th Dependency ratio - Cities and FUAs 31.9 Percentage of population aged 15-64 years 2024 up 49.8% 468th 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 -5.3 Percentage of national value 2025 down 1,160.0% 1051st Internet speed - Cities and FUAs — Uploading speed 28.4 Percentage of national value 2025 down 66.1% 202nd