Reference Data in Rijeka 10 indicators covering reference data for Rijeka. IndicatorLatest Year10-yr change Rank Cooling and heating degree days - Cities and FUAs — Cooling degree 64.72 Degree days 2025 down 54.6% 729th Cooling and heating degree days - Cities and FUAs — Change in cooling -2.21 Degree days 2025 down 102.9% 518th Cooling and heating degree days - Cities and FUAs 1,876 Degree days 2025 down 8.5% 458th Cooling and heating degree days - Cities and FUAs — Change in heating -452.4 Degree days 2025 down 63.3% 981st Precipitation - Cities and FUAs — Extreme precipitation days 31.33 Days per year 2024 down 23.6% 65th Precipitation - Cities and FUAs — Change in extreme precipitation 3.12 Days per year 2024 down 75.6% 304th Wind threats - Cities and FUAs — Exposure to wind threats 1.78 Percentage of area 2023 — 252nd Coastal flooding - Cities and FUAs — Built-up area exposure to 0.0351 Percentage of built-up area 2022 down 3.9% 217th Internet speed - Cities and FUAs — Downloading speed 23.8 Percentage of national value 2025 up 65.3% 135th Internet speed - Cities and FUAs — Uploading speed 22.1 Percentage of national value 2025 up 62.5% 262nd