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“WASHINGTON — Earth’s average temperature last year hovered among one of the three hottest on record, while the past three years indicate that warming could be speeding up, international climate monitoring teams reported.
Six science teams calculated that 2025 was behind 2024 and 2023, while two other groups — NASA and a joint American and British team — said 2025 was slightly warmer than 2023. World Meteorological Organization, NASA and the National Oceanic and Atmospheric Administration officials said 2023 and 2025 temperatures were so close — .02 degrees Celsius (.04 degrees Fahrenheit) apart — that it’s pretty much a tie.
Last year’s average global temperature was 15.08 degrees Celsius (59.14 degrees Fahrenheit), which is 1.44 degrees Celsius (2.59 degrees Fahrenheit) warmer than pre-industrial time, the World Meteorological Organization calculated, averaging out the eight data sets. The temperature data used by most of the teams goes back to 1850.”
Seth Borenstein reports for the Associated Press January 14, 2026.
