Reference Data in Suncheon 11 indicators covering reference data for Suncheon. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs β Cooling degree 348.45 Degree days 2025 up 62.5% 345th Cooling and heating degree days - Cities and FUAs β Change in cooling 126.62 Degree days 2025 up 1,817.5% 138th Cooling and heating degree days - Cities and FUAs 2,007 Degree days 2025 up 11.4% 384th Cooling and heating degree days - Cities and FUAs β Change in heating -17.39 Degree days 2025 up 92.2% 133rd Precipitation - Cities and FUAs β Extreme precipitation days 25.4 Days per year 2024 up 34.2% 111th Precipitation - Cities and FUAs β Change in extreme precipitation 1.93 Days per year 2024 up 142.5% 484th Dependency ratio - Cities and FUAs 26.2 Percentage of population aged 15-64 years 2023 up 51.4% 776th Wind threats - Cities and FUAs β Exposure to wind threats 0 Percentage of area 2023 β 273rd Coastal flooding - Cities and FUAs β Built-up area exposure to 0 Percentage of built-up area 2022 β 277th Internet speed - Cities and FUAs β Downloading speed -8.4 Percentage of national value 2025 up 2.3% 1118th Internet speed - Cities and FUAs β Uploading speed -9.6 Percentage of national value 2025 down 74.5% 902nd