1、2025|APublished January 14th 2026 updated January 28th 2026(figures 3 and 9 and the associated text have been updated to reflect full availability of global datasets for 2025).DOI:https:/doi.org/10.24381/b3nm-p354GCH editorial team(ECMWF):Lead editor and coordination:Francesca GuglielmoCo-authors:Ju
2、lien Nicolas,Freja Vamborg,Rebecca Emerton,Adrian Simmons,Samantha BurgessCopy editing:Chelsea SnellData visualization:Anna LombardiOther Contributors:Michael Buchwitz (University of Bremen),Mark Parrington(ECMWF)Communications(ECMWF):Isabelle Boscaro-Clarke,Elisabeth Mittelbach,Eva Remete,Maximilia
3、n Lingen,Nuria Lopez,Rafael CerecedaOther organisations:Blossom.it,Eau de Web,Greenhouse CommunicationsECMWF Communication Section Copernicus TeamEuropean Centre for Medium-Range Weather Forecasts,ECMWF Robert-Schuman-Platz,53175 Bonn,Germany copernicus-pressecmwf.int This Global Climate Highlights(
4、GCH)report from the Copernicus Climate Change Service(C3S)provides a brief synopsis of the state of global climate in 2025,mainly based on data from the ERA5 global atmospheric reanalysis produced by the European Centre for Medium-range Weather Forecasts(ECMWF).The Global Climate Highlights summaris
5、es the state of global air temperature,global sea surface temperature and sea ice in both polar regions.This report also assesses current global average temperatures relative to the 1.5C limit set by the Paris Agreement,adopted by the Conference of the Parties in 2015.ERA5 is one of six internationa
6、l datasets used to track global average temperature.In addition to this report,which includes data from the Japanese Reanalysis for Three Quarters of a Century(JRA-3Q),further 2025 global temperature updates will be released by the UK Met Office,NASA,NOAA,Berkeley Earth and the World Meteorological