Reference Data in Cheongju 11 indicators covering reference data for Cheongju. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 380.83 Degree days 2025 up 30.0% 308th Cooling and heating degree days - Cities and FUAs — Change in cooling 117.3 Degree days 2025 up 298.7% 157th Cooling and heating degree days - Cities and FUAs 2,187 Degree days 2025 up 7.7% 308th Cooling and heating degree days - Cities and FUAs — Change in heating -96.96 Degree days 2025 up 61.8% 270th Precipitation - Cities and FUAs — Extreme precipitation days 18.89 Days per year 2024 up 14.7% 203rd Precipitation - Cities and FUAs — Change in extreme precipitation 1.17 Days per year 2024 up 193.2% 629th Dependency ratio - Cities and FUAs 22 Percentage of population aged 15-64 years 2023 up 56.0% 964th 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 4.2 Percentage of national value 2025 down 46.2% 721st Internet speed - Cities and FUAs — Uploading speed 3.7 Percentage of national value 2025 down 73.2% 637th