Climate Change in San Diego 20 indicators covering climate change for San Diego. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 22.9 Degrees celsius 2025 up 26.4% 134th Air temperature, hot days, tropical nights and icing days - Cities 5.86 Degrees celsius 2025 up 446.6% 71st Climate projections by scenario, 2030–2060 – Cities and FUAs 2.3 Degrees celsius 2060 up 13.7% 164th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 5.95 Tonnes of CO2-equivalent 2024 down 0.5% 15th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 20.49 Tonnes of CO2-equivalent 2024 up 10.7% 35th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 5.74 Tonnes of CO2-equivalent 2024 down 1.7% 18th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 3.55 Tonnes of CO2-equivalent 2024 up 105.2% 50th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 4.2 Tonnes of CO2-equivalent 2024 up 5.3% 51st Greenhouse gas emissions - Cities and FUAs — GHG emissions from 4.3 Tonnes of CO2-equivalent 2024 up 5.4% 52nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 4.54 Tonnes of CO2-equivalent 2024 up 1.3% 27th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.04 Tonnes of CO2-equivalent 2024 down 20.0% 387th Climate projections by scenario, 2030–2060 – Cities and FUAs 19.38 Degrees celsius 2060 up 1.5% 232nd Greenhouse gas emissions - Cities and FUAs — GHG emissions total 1.09 % change on previous year 2024 up 352.2% 348th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.11 % change on previous year 2024 up 184.3% 315th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0 % change on previous year 2024 up 100.0% 243rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 0 % change on previous year 2024 up 100.0% 234th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.65 % change on previous year 2024 up 236.7% 232nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.69 % change on previous year 2024 up 236.9% 222nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0 % change on previous year 2024 — 7th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 2.31 % change on previous year 2024 down 35.8% 180th