Vital indicators of climate change - Global temperature
2025 was the second or third warmest year on record globally*, with the global average surface temperature approximately 1.43℃ above the pre-industrial (1850-1900) levels. The past three years (2023–2025) were the three warmest on record, and the past eleven years (2015–2025) were the eleven warmest on record. * According to the 9 datasets consolidated by the World Meteorological Organization, two of them ranked 2025 as the second warmest, while seven of them ranked it as the third warmest.
Global mean surface temperature change compared to 1850-1900 average
(Source: World Meteorological Organization) Global temperature datesets
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