In 2025, global annual near-surface temperature was 1.43°C ± 0.13°C above the 1850 to 1900 average, with a 90% uncertainty range.
Source: State of the Global Climate 2025 (2025), p. 8. Read our report summary.
2025 was 1.43°C warmer than 1850 to 1900
From our team
The Climate Truth
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