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Earth just experienced its hottest 12 months in recorded history

Earth just experienced its hottest 12 months in recorded history
Earth just experienced its hottest 12 months in recorded history

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Temperatures soared for the globe in January, as several new records for heat were set during the month.

The World Meteorological Agency, NASA, NOAA, Europe's Copernicus Climate Change Service, and the Japan Meteorological Agency all agree: last month was the hottest month of January ever recorded.

Jan 2024 Global Land and Ocean Temperature Anomalies - NOAA
Jan 2024 Global Land and Ocean Temperature Anomalies - NOAA

Global average temperature anomalies for each January from 1950 to 2024 are plotted here, with each month compared to the 20th century average of 12.2°C Credit: NOAA

"Temperatures were above average throughout the Arctic, most of northeastern North America, central Russia, southern and western Asia, Africa, South America, eastern and southeastern Asia and Australia. Africa and South America saw their warmest Januarys on record," says NOAA.

Furthermore, according to Copernicus' records, January's global average temperature was 1.66°C warmer than the pre-industrial average for January (from 1851-1900).

"It is the eighth month in a row that is the warmest on record for the respective time of the year. Sea surface temperatures have been record high for ten consecutive months," the WMO stated.

Daily SST - Feb15 2024 - Climate Reanalyzer
Daily SST - Feb15 2024 - Climate Reanalyzer

Sea surface temperatures set a record for 2023, but that record has already been broken as of late January and early February 2024. Credit: Climate Reanalyzer


READ MORE: After 2023's astounding new global heat record, 2024 may be even worse


Based on at least NOAA's and Copernicus' records, the past 12 months — February 2023 to January 2024 — was also the hottest 12-month period on record.

"Globally, the last 12 months were warmer than any previous consecutive twelve months, with a temperature 0.64°C above the 1991-2020 average. The next warmest such period was the calendar year of 2023," says Copernicus.

NOAA's record of February through January 12-month averages agrees with Copernicus' assessment. However, their values are compared to the 20th century average, which was significantly cooler than the 1991-2020 reference period.

Feb-2023-Jan-2024-Global-Land+Ocean-Temp-Anomalies-Labelled-NOAA
Feb-2023-Jan-2024-Global-Land+Ocean-Temp-Anomalies-Labelled-NOAA

Global average temperatures for each February through January 12-month period are plotted here. The latest such period was far warmer than any other on record. Credit: NOAA

Taking their look at this period a step further, Copernicus also added that "the average global temperature for the 12 months to January 2024 is estimated to be 1.52°C above the 1850-1900 level. The average over the thirteen months from the beginning of 2023 is 1.50°C above the 1850-1900 level."

"This does not mean that the world has exceeded the lower-level target of 1.5° Celsius above the pre-industrial era referred to in the Paris Agreement on Climate Change," the WMO cautioned. "The Paris Agreement refers to long-term warming over many years rather than monthly or annual exceedances."

Thumbnail image courtesy NOAA

Watch below: NASA confirms 2023 was the hottest year in human history

Click here to view the video