Pressemitteilung des Copernicus Dienstes zur Überwachung des Klimawandels, 8.8.2023 (engl. Original)
The global average temperature for July 2023 is confirmed to be the highest on record for any month. The month was 0.72°C warmer than the 1991-2020 average for July, and 0.33°C warmer than the previous warmest month, July 2019. The month is estimated to have been around 1.5°C warmer than the average for 1850-1900. Heatwaves were experienced in multiple regions of the Northern Hemisphere, including southern Europe. Well-above average temperatures occurred over several South American countries and around much of Antarctica.
Global average sea surface temperatures continued to rise, after a long period of unusually high temperatures since April 2023, reaching record high levels in July. For the month as a whole, global average sea surface temperatures were 0.51°C above the 1991-2020 average. The North Atlantic was 1.05°C above average in July, as Temperatures in the northeastern part of the basin remained above average, and unusually high temperatures developed in the northwestern Atlantic. Marine heatwaves developed south of Greenland and in the Labrador Sea, in the Caribbean basin, and across the Mediterranean Sea. El Niño conditions continued to develop over the equatorial eastern Pacific.
Antarctic sea ice extent continued to break records for the time of year, with a monthly value 15% below average, by far the lowest July extent since satellite observations began. As in June, the daily Antarctic sea ice extent remained substantially below previously observed values for the time of year throughout the month. Sea ice concentrations were most below-average in the northern Weddell, eastern Bellingshausen, and northern Ross Seas while above-average concentrations persisted in a broad Amundsen Sea sector. Arctic sea ice extent was slightly below average, but well above the record minimum from July 2020. While most of the Arctic Ocean saw below-average sea ice concentrations, above-average concentrations prevailed north of the northern Siberian coast.
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