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JMA monitors the long-term change of the global average surface temperature anomalies for the purpose of monitoring the global warming. In this page, the long-term changes of annual and monthly anomalies of the global average surface temperature are shown.
The annual anomaly of the global average surface temperature in 2024 (i.e. the average of the near-surface air temperature over land and the SST) was +0.62°C above the 1991-2020 average (+1.17°C above the 20th century average), and was the warmest since 1891. On a longer time scale, global average surface temperatures have risen at a rate of about 0.77°C per century.
1st. 2024(+0.62°C), 2nd. 2023(+0.54°C), 3rd. 2016(+0.35°C), 4th. 2020(+0.34°C), 5th. 2019(+0.31°C)
