Reference Data in Luton 11 indicators covering reference data for Luton. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs β Cooling degree 11.56 Degree days 2025 up 13.4% 1069th Cooling and heating degree days - Cities and FUAs β Change in cooling -3.54 Degree days 2025 up 27.8% 544th Cooling and heating degree days - Cities and FUAs 1,743 Degree days 2025 down 9.6% 537th Cooling and heating degree days - Cities and FUAs β Change in heating -415.69 Degree days 2025 down 80.5% 882nd Precipitation - Cities and FUAs β Extreme precipitation days 3.5 Days per year 2024 up 133.3% 921st Precipitation - Cities and FUAs β Change in extreme precipitation 2.1 Days per year 2024 up 2,000.0% 456th Dependency ratio - Cities and FUAs 17 Percentage of population aged 15-64 years 2024 down 8.1% 1079th Wind threats - Cities and FUAs β Exposure to wind threats 0 Percentage of area 2023 down 100.0% 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 17 Percentage of national value 2025 down 58.3% 273rd Internet speed - Cities and FUAs β Uploading speed 12.5 Percentage of national value 2025 up 266.7% 431st