On January 29, at the monthly press conference held by the China Meteorological Administration (CMA), China Climate Bulletin 2025 (hereinafter referred to as the Bulletin) was released.

The Bulletin comprehensively analyzes China's basic climate situation, climate system monitoring status, major meteorological disasters and extreme weather and climate events in 2025, and conducts a comprehensive assessment of the impact of climate on various industries, the environment, human health and other aspects.

The Bulletin shows that in 2025, China featured obvious warm and humid climate characteristics. The national average temperature tied with that of 2024 as the highest on record; the national average precipitation was more than the normal year, with frequent heavy rainfall processes in summer; both the rainfall and duration of the rainy season in North China ranked first in history, and the rainfall of autumn rains in West China was the highest on record; the number of generated and landed typhoons was higher than normal; the overall meteorological drought was mild, but with obvious regional and phased characteristics; the number of cold air processes was close to normal, but the number of cold wave processes was higher than normal; the number of gale days was the highest since 1991; the number of severe convective weather processes was less, but the local disaster-causing impact was severe.

In terms of temperature, the national average annual temperature in 2025 was 10.9℃, 1℃ higher than the normal year (1991—2020), tying with 2024 as the highest since 1951; the number of high-temperature days was the highest on record; the national average temperature was higher than normal in all four seasons, with the summer temperature being the highest in the same period of history and great temperature fluctuations in winter; the frequency of extreme continuous high-temperature events was the second highest on record.

In terms of precipitation, the national average precipitation in 2025 reached 668 millimeters, 4.5% more than the normal year, belonging to a wet year. The precipitation in central and eastern China showed a "more in the north and less in the south" distribution; precipitation was more in summer and autumn, and less in winter and spring; precipitation in most regions and river basins was mainly more than normal; the national average number of precipitation days was the third lowest on record.

Author: LIU Rui

Editor: LIU Shuqiao