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Home > Global Warming > Global Temperature > December

Monthly Anomalies of Global Average Surface Temperature in December (1891 - 2020)

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The monthly anomaly of the global average surface temperature in December 2020 (i.e. the average of the near-surface air temperature over land and the SST) was +0.12°C above the 1991-2020 average (+0.67°C above the 20th century average), and was the 9th warmest since 1891. On a longer time scale, global average surface temperatures have risen at a rate of about 0.74°C per century.

Five Warmest Years (Anomalies)

1st. 2015(+0.61°C), 2nd. 2019(+0.48°C), 3rd. 2018(+0.25°C), 4th. 2014(+0.24°C), 5th. 2017,2006(+0.23°C)


  • Monthly Anomalies of Global Average Surface Temperature
  • Distribution of Surface Temperature Anomalies