Reference Data in Trondheim 15 indicators covering reference data for Trondheim. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 11.54 Degree days 2025 up 173.9% 1062nd Cooling and heating degree days - Cities and FUAs — Change in cooling 5.96 Degree days 2025 up 534.2% 427th Cooling and heating degree days - Cities and FUAs 3,462 Degree days 2025 down 11.5% 31st Cooling and heating degree days - Cities and FUAs — Change in heating -888.13 Degree days 2025 down 103.5% 1282nd Cooling and heating degree days - Cities and FUAs — Change in heating -100.42 % change on previous year 2025 down 414.1% 990th Cooling and heating degree days - Cities and FUAs, annual growth rate -11.39 % change on previous year 2025 down 306.0% 830th Cooling and heating degree days - Cities and FUAs — Change in cooling -2.92 % change on previous year 2025 up 97.3% 105th Cooling and heating degree days - Cities and FUAs — Cooling degree -1.53 % change on previous year 2025 up 98.2% 97th Precipitation - Cities and FUAs — Extreme precipitation days 10.11 Days per year 2024 up 242.8% 464th Precipitation - Cities and FUAs — Change in extreme precipitation 5.08 Days per year 2024 up 343.5% 165th Dependency ratio - Cities and FUAs 23 Percentage of population aged 15-64 years 2025 up 15.6% 916th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 down 100.0% 271st Coastal flooding - Cities and FUAs — Built-up area exposure to 0.1941 Percentage of built-up area 2022 up 86.0% 157th Internet speed - Cities and FUAs — Downloading speed 5.1 Percentage of national value 2025 down 34.6% 671st Internet speed - Cities and FUAs — Uploading speed 3.3 Percentage of national value 2025 up 138.4% 642nd