Reference Data in Greater Valletta 14 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% 216th Cooling and heating degree days - Cities and FUAs — Change in cooling 159.47 Degree days 2025 up 37.5% 89th Cooling and heating degree days - Cities and FUAs 43.66 Degree days 2025 down 78.6% 1216th Cooling and heating degree days - Cities and FUAs — Change in heating -161.53 Degree days 2025 down 16,094.4% 388th Cooling and heating degree days - Cities and FUAs — Change in heating -63.89 % change on previous year 2025 down 164.7% 850th Cooling and heating degree days - Cities and FUAs, annual growth rate -59.06 % change on previous year 2025 down 195.5% 1205th Cooling and heating degree days - Cities and FUAs — Change in cooling -13.79 % change on previous year 2025 down 105.8% 143rd Cooling and heating degree days - Cities and FUAs — Cooling degree -4.96 % change on previous year 2025 down 122.1% 132nd Precipitation - Cities and FUAs — Extreme precipitation days 2 Days per year 2024 down 33.3% 1105th Precipitation - Cities and FUAs — Change in extreme precipitation -0.9833 Days per year 2024 down 6,000.0% 1072nd Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 — 271st 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% 819th Internet speed - Cities and FUAs — Uploading speed 6.9 Percentage of national value 2025 up 30.2% 565th