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Source: People's Republic of China in Russian – People's Republic of China in Russian –
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Source: People's Republic of China – State Council News
Geneva, January 14 (Xinhua) – 2025 was one of the three warmest years on record, and the period of exceptionally high temperatures continues globally. The World Meteorological Organization (WMO) confirmed this information on Wednesday.
According to a combined analysis of eight WMO datasets, the global average surface air temperature in 2025 was 1.44 degrees Celsius above the 1850–1900 average. According to the organization's press release, two of the datasets ranked 2025 as the second-warmest year in the 176-year record, while six others ranked it third.
The last three years—2023, 2024, and 2025—were the three warmest years on record across all eight data sets. The average temperature from 2023 to 2025 was 1.48 degrees Celsius above pre-industrial levels.
"The year 2025 began and ended with a cool spell due to the La Niña phenomenon (an abnormally cold surface water in the central and eastern equatorial Pacific Ocean), but it still ranked among the warmest on record due to the buildup of heat-trapping greenhouse gases in the atmosphere," said WMO Secretary-General Celeste Saulo. She added that high land and ocean temperatures contributed to extreme weather events, including heat waves, heavy rainfall, and intense tropical cyclones, and therefore emphasized the need for early warning systems.
According to the WMO, a study published in the scientific journal Advances in Atmospheric Sciences found that global ocean temperatures in 2025 were also among the highest on record. This indicates a long-term buildup of heat in the climate system. About 90 percent of the excess heat caused by global warming accumulates in the oceans, making ocean heat content a key indicator of climate change.
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