Reference Data in Greater Valletta 10 indicators covering reference data for Greater Valletta. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 489.05 Degree days 2025 up 9.8% 217th Cooling and heating degree days - Cities and FUAs — Change in cooling 159.47 Degree days 2025 up 37.5% 90th Cooling and heating degree days - Cities and FUAs 43.66 Degree days 2025 down 78.6% 1225th Cooling and heating degree days - Cities and FUAs — Change in heating -161.53 Degree days 2025 down 16,094.4% 389th Precipitation - Cities and FUAs — Extreme precipitation days 2 Days per year 2024 down 33.3% 1114th Precipitation - Cities and FUAs — Change in extreme precipitation -0.9833 Days per year 2024 down 6,000.0% 1079th 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 1.6 Percentage of national value 2025 down 48.4% 826th Internet speed - Cities and FUAs — Uploading speed 6.9 Percentage of national value 2025 up 30.2% 571st