hot

Surface air temperature anomaly for 2023 relative to the average for the 1991-2020 reference period. Data source: ERA5. Credit: C3S/ECMWF.

2023 is the hottest year on record

2023 is the hottest year on record, with global temperatures close to the 1.5°C limit with global average temperature of 14.98°C, 0.17°C higher than 2016, the last warmest year.