Reference Data in Hamamatsu 14 indicators covering reference data for Hamamatsu. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 425.86 Degree days 2025 up 38.0% 263rd Cooling and heating degree days - Cities and FUAs — Change in cooling 112.13 Degree days 2025 up 2,274.0% 165th Cooling and heating degree days - Cities and FUAs 1,021 Degree days 2025 down 10.3% 876th Cooling and heating degree days - Cities and FUAs — Change in heating -298.95 Degree days 2025 down 64.5% 611th Cooling and heating degree days - Cities and FUAs — Change in heating -86.6 % change on previous year 2025 down 49.5% 951st Cooling and heating degree days - Cities and FUAs, annual growth rate -11.96 % change on previous year 2025 up 19.6% 839th Cooling and heating degree days - Cities and FUAs — Change in cooling -57.55 % change on previous year 2025 down 178.6% 310th Cooling and heating degree days - Cities and FUAs — Cooling degree -26.31 % change on previous year 2025 down 649.4% 458th Precipitation - Cities and FUAs — Extreme precipitation days 45.62 Days per year 2024 up 50.8% 26th Precipitation - Cities and FUAs — Change in extreme precipitation 14.18 Days per year 2024 up 1,286.2% 14th 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 0.2206 Percentage of built-up area 2022 down 1.8% 154th Internet speed - Cities and FUAs — Downloading speed -2.2 Percentage of national value 2025 up 74.7% 953rd Internet speed - Cities and FUAs — Uploading speed -0.5 Percentage of national value 2025 down 104.1% 728th