August 2024 – Surface air temperature and sea surface temperature highlights:
Global Temperatures
* August 2024 was the joint-warmest August globally (together with August 2023), with an average ERA5 surface air temperature of 16.82°C, 0.71°C above the 1991-2020 average for August.
* August 2024 was 1.51°C above the pre-industrial level and is the 13th month in a 14-month period for which the global-average surface air temperature exceeded 1.5°C above pre-industrial levels.
* The global-average temperature for the past 12 months (September 2023 – August 2024) is the highest on record for any 12-month period, at 0.76°C above the 1991–2020 average and 1.64°C above the 1850–1900 pre-industrial average. These values are identical to those recorded for the previous two 12-month periods, ending in June and July 2024.
* The year-to-date (January–August 2024) global-average temperature anomaly is 0.70°C above the 1991-2020 average, which is the highest on record for this period and 0.23°C warmer than the same period in 2023. The average anomaly for the remaining months of this year would need to drop by at least 0.30°C for 2024 not to be warmer than 2023. This has never happened in the entire ERA5 dataset, making it increasingly likely that 2024 is going to be the warmest year on record.
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Europe and other regions
* The average temperature for European land for August 2024 was 1.57°C above the 1991-2020 average for August, making the month the second warmest August on record for Europe after August 2022, which was 1.73°C above average.
* European temperatures were most above average over southern and eastern Europe, but below average over northwestern parts of Ireland and the United Kingdom, Iceland, the west coast of Portugal, and southern Norway.
*Outside Europe, temperatures were most above average over eastern Antarctica, Texas, Mexico, Canada, northeast Africa, Iran, China, Japan, and Australia.
* Temperatures were below average over far eastern Russia and Alaska, the eastern United States, parts of southern South America, Pakistan and the Sahel.
Copernicus: Summer 2024 – Hottest on record globally and for Europe (European Commission, Copernicus, Sep 6, 2024)