Climate Change in Köln 12 indicators covering climate change for Köln. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 10.25 Degrees celsius 2025 down 5.9% 872nd Air temperature, hot days, tropical nights and icing days - Cities 0.1925 Degrees celsius 2025 down 76.9% 727th Climate projections by scenario, 2030–2060 – Cities and FUAs 12.22 Degrees celsius 2060 up 3.4% 803rd Climate projections by scenario, 2030–2060 – Cities and FUAs 1.52 Degrees celsius 2060 up 36.3% 992nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.01 Tonnes of CO2-equivalent 2024 down 50.0% 689th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.53 Tonnes of CO2-equivalent 2024 down 2.5% 78th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 2.02 Tonnes of CO2-equivalent 2024 up 2.5% 122nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.98 Tonnes of CO2-equivalent 2024 up 2.6% 116th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 1.7 Tonnes of CO2-equivalent 2024 up 24.1% 103rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 0.7 Tonnes of CO2-equivalent 2024 down 10.3% 248th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 6.06 Tonnes of CO2-equivalent 2024 up 3.9% 143rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.71 Tonnes of CO2-equivalent 2024 down 10.1% 253rd