Reference Data in Katerini 10 indicators covering reference data for Katerini. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 427.8 Degree days 2025 up 16.0% 262nd Cooling and heating degree days - Cities and FUAs — Change in cooling 135.87 Degree days 2025 up 76.9% 129th Cooling and heating degree days - Cities and FUAs 844.96 Degree days 2025 down 21.9% 948th Cooling and heating degree days - Cities and FUAs — Change in heating -389.1 Degree days 2025 down 156.4% 795th Precipitation - Cities and FUAs — Extreme precipitation days 8.4 Days per year 2024 down 2.3% 531st Precipitation - Cities and FUAs — Change in extreme precipitation 0.147 Days per year 2024 down 57.6% 838th 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 1.41 Percentage of built-up area 2022 down 9.6% 100th Internet speed - Cities and FUAs — Downloading speed 6.9 Percentage of national value 2025 up 169.7% 598th Internet speed - Cities and FUAs — Uploading speed 8.3 Percentage of national value 2025 up 125.9% 538th