Reference Data in Gwangju 11 indicators covering reference data for Gwangju. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 380.72 Degree days 2025 up 42.8% 310th Cooling and heating degree days - Cities and FUAs — Change in cooling 110.16 Degree days 2025 up 2,952.1% 169th Cooling and heating degree days - Cities and FUAs 1,797 Degree days 2025 up 2.6% 498th Cooling and heating degree days - Cities and FUAs — Change in heating -156.54 Degree days 2025 up 22.7% 377th Precipitation - Cities and FUAs — Extreme precipitation days 20.25 Days per year 2024 up 14.6% 179th Precipitation - Cities and FUAs — Change in extreme precipitation 0.6528 Days per year 2024 up 133.8% 733rd Dependency ratio - Cities and FUAs 23.1 Percentage of population aged 15-64 years 2023 up 63.8% 920th 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 -7.5 Percentage of national value 2025 up 3.8% 1104th Internet speed - Cities and FUAs — Uploading speed -8.5 Percentage of national value 2025 down 254.2% 876th