WMO’s State of the Global Climate report 2025 confirms that 2015-2025 are the hottest 11-years on record, and that 2025 was the second or third hottest year on record, at about 1.43 °C above the 1850-1900 average. Extreme events around the world, including intense heat, heavy rainfall and tropical cyclones, caused disruption and devastation and highlighted the vulnerability of our inter ... The WMO Global Annual to Decadal Climate Update (2025–2029) projects that global temperatures are expected to continue at or near record levels in the next five years, increasing climate risks and impacts on societies, economies and sustainable development.The report forecasts that the annually averaged global mean near-surface temperature for each year between 2025 and 2029 is predicted to ...
Introduction This update on the current state of the global climate has been prepared to inform discussions at the thirtieth Conference of the Parties to the United Nations Framework Convention on Climate Change (COP30) with authoritative, up-to-date information. The update combines consolidated data for the year 2024 with preliminary data for 2025 to date where available. While some ... Media Advisory - Forthcoming Activities State of the Global Climate 2025 report 23 March 2026 0400 GMT (embargo) The World Meteorological Organization flagship annual report gives details on: Key climate indicators: atmospheric greenhouse gases; surface temperature; ocean heat; ocean acidification; sea level; glaciers and sea ice extent.
