Press Release: 2023 Was Warmest Year Since 1850

2023 was warmest year on Earth since direct observations began. In Berkeley Earth’s analysis 2023 was 1.54 °C above our 1850-1900 average, making it the first year above 1.5 °C. The extreme heat was due to a combination of natural and man-made factors, including global warming and an emerging El Niño event. 17% of the Earth’s surface had a locally warmest year, affecting 2.3 billion people, including significant parts of Asia, South and Central America.

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Global Temperature Report for 2023

2023 was warmest year on Earth since direct observations began. In Berkeley Earth’s analysis 2023 was 1.54 °C above our 1850-1900 average, making it the first year above 1.5 °C. The extreme heat was due to a combination of natural and man-made factors, including global warming and an emerging El Niño event. 17% of the Earth’s surface had a locally warmest year, affecting 2.3 billion people, including significant parts of Asia, South and Central America.

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January 2024 Temperature Update

Globally, January 2024 was the warmest January since record-keeping began in 1850, breaking the previous record by a small margin. This year is very likely to become either the warmest or 2nd warmest on record.

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November 2023 Temperature Update

Globally, November 2023 was the warmest November since record-keeping began in 1850, breaking the previous record by a large margin. 2023 is virtually certain to become a record warm year, and be 1.5 °C above our preindustrial average.

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September 2023 Temperature Update

Globally, September 2023 was the warmest September since record-keeping began in 1850, breaking the previous record by a enormous margin. 2023 is virtually certain to become a record warm year, and likely to be 1.5 °C above preindustrial.

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August 2023 Temperature Update

Globally, August 2023 was the warmest August since record-keeping began in 1850, breaking the previous record by a large margin. El Niño is underway and strengthening, and 2023 is virtually certain to become a record warm year.

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July 2023 Temperature Update

Globally, July 2023 was the warmest month since record-keeping began in 1850. El Niño is underway and strengthening, and 2023 is virtually certain to become a record warm year.

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June 2023 Temperature Update

Globally, June 2023 was the warmest June since record-keeping began in 1850. El Niño is underway and strengthening, and 2023 is now likely to become a record warm year.

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May 2023 Temperature Update

Globally, May 2023 was the 3rd warmest May since record-keeping began in 1850. A return of El Niño is ongoing, and 2023 is now slightly more likely than not to become a record warm year.

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April 2023 Temperature Update

Globally, April 2023 was the 4th warmest April since record-keeping began in 1850. A return of El Niño is expected, and 2023 is now slightly more likely than not to become a record warm year.

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March 2023 Temperature Update

Globally, March 2023 was the 2nd warmest March since record-keeping began in 1850. Thus far, 2023 is on pace to be the 2nd, 3rd, or 4th warmest year, but a significant chance of a new record exists. El Niño is likely to develop later this year.

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