October 2022: Earth’s 4th-warmest October on record

Europe had its warmest October on record, as did Northern Hemisphere land areas.

Warm afternoon in London on 11/28/22 — Sunshine bathes government buildings at Whitehall Street in London on the unusually mild afternoon of Friday, October 28, 2022. The high of 66 degrees Fahrenheit at Kew Gardens followed 70 degrees on October 27. Some of the warmest late-October weather ever recorded reached many locations in Europe, including 92 degrees Fahrenheit at Lomnè, France, on October 29. (Image credit: Bob Henson)

October 2022 was Earth’s fourth-warmest October since record-keeping began in 1880, NOAA’s National Centers for Environmental Information (NCEI) reported November 15. NASA rated October as the fifth-warmest on record, behind 2016, 1.23 degrees Celsius (2.21°F) above the 1880-1920 period – its best estimate for when preindustrial temperatures last occurred. The European Copernicus Climate Change Service and the Japan Meteorological Agency rated October 2022 as the third-warmest October on record. Such minor differences in the agencies’ rankings can result from the different ways they treat data-sparse regions such as the Arctic.

Land areas had their second-warmest October on record in 2022, land areas in the Northern Hemisphere had their warmest October on record, and global ocean temperatures were the fifth-warmest on record, according to NOAA. Europe had its warmest October on record; Africa, its third-warmest; and Asia and North America, their sixth-warmest. Oceania and South America each had a warmer-than-average October, but the month did not rank among their top 10 warmest on record.

The year-to-date global surface temperature is the sixth-highest on record, and 2022 is 99% likely to end up as the sixth-warmest year on record, according to NOAA.

Land and ocean temperature percentiles — Figure 1. Departure of temperature from average for October 2022, the fourth-warmest October for the globe since record-keeping began in 1880, according to NOAA. Parts of western and central Europe, western North America, and Africa experienced record-high October temperatures. No areas experienced record cold. (Image credit: NOAA/NCEI)

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