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Projected global surface temperature changes relative to 1850–1900, based on CMIP6 multi-model mean changes. The IPCC Sixth Assessment Report defines global mean surface temperature (GMST) as the "estimated global average of near-surface air temperatures over land and sea ice, and sea surface temperature (SST) over ice-free ocean regions, with changes normally expressed as departures from a ...
There is good agreement on the overall evolution of global temperatures and year-to-year variability. Dataset anomalies are calculated relative to a 1981 to 2010 baseline and offset by 0.69°C, which is the best estimate difference for that period from the 1850-1900 average given in the IPCC sixth assessment report."
From January to September, the global mean temperature was 1.40 °C higher than the pre-industrial average (1850–1900). [18] January 2023 was the seventh warmest on record – 0.25 °C warmer than the normal but 0.33 °C cooler than January 2020. [19] In July, the global average temperature was 17.32 °C (63.17 °F). [20]
HadCRUT is the dataset of worldwide monthly instrumental temperature records formed by combining the sea surface temperature records compiled by the Hadley Centre of the UK Met Office and the land surface air temperature records compiled by the Climatic Research Unit (CRU) of the University of East Anglia.
The following is a list of weather events that occurred on Earth in the year 2023. The year saw a transition from La Niña to El Niño, with record high global average surface temperatures. The several weather events which had a significant impact were blizzards, cold waves, droughts, heat waves, wildfires, floods, tornadoes, and tropical cyclones.
English: Chart showing changes in global average surface temperature annually during the month of September Uploader's note: Tentatively, uploader envisions this chart as being specific to the time period ending in 2023, designed for use mainly in articles about 2023 in particular.
World leaders are meeting in Paris this month in what amounts to a last-ditch effort to avert the worst ravages of climate change. Climatologists now say that the best case scenario — assuming immediate and dramatic emissions curbs — is that planetary surface temperatures will increase by at least 2 degrees Celsius in the coming decades.
The warmest day on record for the entire planet was 22 July 2024 when the highest global average temperature was recorded at 17.16 °C (62.89 °F). [20] The previous record was 17.09 °C (62.76 °F) set the day before on 21 July 2024. [20] The month of July 2023 was the hottest month on record globally. [21]