Reference Data in Zoetermeer 15 indicators covering reference data for Zoetermeer. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 13.67 Degree days 2025 down 53.8% 1032nd Cooling and heating degree days - Cities and FUAs — Change in cooling -10.01 Degree days 2025 down 268.3% 695th Cooling and heating degree days - Cities and FUAs 2,025 Degree days 2025 up 14.8% 375th Cooling and heating degree days - Cities and FUAs — Change in heating 19.19 Degree days 2025 up 107.9% 62nd Cooling and heating degree days - Cities and FUAs — Change in heating 105.49 % change on previous year 2025 up 121.7% 71st Cooling and heating degree days - Cities and FUAs, annual growth rate 22.27 % change on previous year 2025 up 57.0% 56th Cooling and heating degree days - Cities and FUAs — Change in cooling -237.38 % change on previous year 2025 down 149.9% 1087th Cooling and heating degree days - Cities and FUAs — Cooling degree -55.84 % change on previous year 2025 down 263.9% 854th Precipitation - Cities and FUAs — Extreme precipitation days 2 Days per year 2024 unchanged 1105th Precipitation - Cities and FUAs — Change in extreme precipitation 0.2585 Days per year 2024 unchanged 802nd Dependency ratio - Cities and FUAs 34.2 Percentage of population aged 15-64 years 2025 up 42.5% 356th Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area 2023 unchanged 1st Coastal flooding - Cities and FUAs — Built-up area exposure to 100 Percentage of built-up area 2022 unchanged 1st Internet speed - Cities and FUAs — Downloading speed 10.8 Percentage of national value 2025 down 20.6% 447th Internet speed - Cities and FUAs — Uploading speed 1.3 Percentage of national value 2025 up 107.1% 687th