Reference Data in Cluj-Napoca 10 indicators covering reference data for Cluj-Napoca. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 24.24 Degree days 2025 down 81.3% 931st Cooling and heating degree days - Cities and FUAs — Change in cooling -26 Degree days 2025 down 132.8% 945th Cooling and heating degree days - Cities and FUAs 2,459 Degree days 2025 down 5.6% 183rd Cooling and heating degree days - Cities and FUAs — Change in heating -511.62 Degree days 2025 down 39.7% 1086th Precipitation - Cities and FUAs — Extreme precipitation days 5.86 Days per year 2024 up 192.9% 669th Precipitation - Cities and FUAs — Change in extreme precipitation 2.7 Days per year 2024 up 333.3% 364th 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 16.3 Percentage of national value 2025 down 17.7% 289th Internet speed - Cities and FUAs — Uploading speed 5.1 Percentage of national value 2025 up 96.2% 614th