Reference Data in Leeuwarden 11 indicators covering reference data for Leeuwarden. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 4.43 Degree days 2025 down 71.4% 1155th Cooling and heating degree days - Cities and FUAs — Change in cooling -8.72 Degree days 2025 down 470.4% 669th Cooling and heating degree days - Cities and FUAs 1,574 Degree days 2025 down 15.1% 646th Cooling and heating degree days - Cities and FUAs — Change in heating -530.82 Degree days 2025 down 112.0% 1104th Precipitation - Cities and FUAs — Extreme precipitation days 3.9 Days per year 2024 up 549.4% 876th Precipitation - Cities and FUAs — Change in extreme precipitation 1.9 Days per year 2024 up 235.2% 491st Dependency ratio - Cities and FUAs 29.9 Percentage of population aged 15-64 years 2025 up 19.1% 577th Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area 2023 down 100.0% 273rd Coastal flooding - Cities and FUAs — Built-up area exposure to 99.11 Percentage of built-up area 2022 down 0.2% 9th Internet speed - Cities and FUAs — Downloading speed 3.8 Percentage of national value 2025 — 742nd Internet speed - Cities and FUAs — Uploading speed 19.4 Percentage of national value 2025 down 25.4% 305th