EU’s Copernicus: Globally, June 2024 was warmer than any previous June on record

June 2024 was warmer globally than any previous June in the data record, with an average ERA5 surface air temperature of 16.66 degrees Celsius, 0.67 degrees Celsius above the 1991-2020 average for June and 0.14 degrees Celsius above the previous high set in June 2023, the European Union Space Programme’s Copernicus service said in a regular monthly report on July 8.

This is the 13th month in a row that is the warmest in the ERA5 data record for the respective month of the year, the Copernicus report said.

While unusual, a similar streak of monthly global temperature records happened previously in 2015/2016, it said.

According to ERA5 data, the month was 1.50 degrees Celsius above the estimated June average for 1850-1900, the designated pre-industrial reference period, making it the 12th consecutive month to reach or break the 1.5 degrees Celsius threshold.

The global-average temperature for the past 12 months (July 2023 – June 2024) is the highest on record, at 0.76 deg C above the 1991-2020 average and 1.64 deg C above the 1850-1900 pre-industrial average.

The average European temperature for June 2024 was 1.57 deg C above the 1991-2020 average for June, making the month the joint-second warmest June on record for Europe.

European temperatures were most above average over southeast regions and Türkiye, but near or below average over western Europe, Iceland and northwestern Russia.

Outside Europe, temperatures were most above average over eastern Canada, the western United States and Mexico, Brazil, northern Siberia, the Middle East, northern Africa and western Antarctica.

Temperatures were below average over the eastern equatorial Pacific, indicating a developing La Niña, but air temperatures over the ocean remained at an unusually high level over many regions.

The sea surface temperature (SST) averaged for June 2024 over 60°S–60°N was 20.85 deg C, the highest value on record for the month.

This is the 15th month in a row that the SST has been the warmest in the ERA5 data record for the respective month of the year, Copernicus said.

Arctic sea ice extent was three per cent below average. Antarctic sea ice extent was 12 per cent below average, the second-lowest extent for June in the satellite data record, the report said.

(Photo: Stacy Brumley/

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