Anyang City is located in a semi-humid region, with a warm temperate continental monsoon climate, characterized by four distinct seasons and simultaneous rainfall and heat. The average annual temperature is 13.6℃, precipitation is 582.9 mm, and evaporation from water surfaces is 943 mm.
Spring in Anyang City lasts from March to May, with an average temperature of 14.4℃; summer, the hottest season, lasts from June to August, with an average temperature of 25.6℃, with July being the hottest month; autumn, from September to November, has an average temperature of 13.8℃, with the fastest temperature drop in October and November; winter, from December to February of the following year, has an average temperature of 0.1℃, with January being the coldest month. The average annual temperature for the coldest month, January, is around -1℃, while the average annual temperature for the hottest month, July, is around 27℃.
The annual sunshine duration in Anyang City ranges from 4431.8 to 4432.3 hours, with an average annual actual sunshine duration of 2368.0 to 2526.1 hours, accounting for 53% to 57% of the total sunshine duration. The average annual sunshine rate is 55%.
The average annual precipitation in Anyang City ranges from 581.1 to 693.1 mm, with a maximum annual precipitation of 1247.9 mm and a minimum of only 243.0 mm. Rainfall is distributed as follows: spring accounts for approximately 13% to 14%, summer for 60% to 65%, autumn for 19% to 22%, and winter for only 3% to 4%. Due to topographical differences, precipitation is unevenly distributed in time and space, with the highest rainfall of 760 mm in the western mountainous area and the lowest of 480 mm in the eastern plains. Interannual precipitation varies considerably (1104 mm in 1963 and 297 mm in 1965). Seasonal distribution within the year is also uneven, with frequent floods in summer and autumn and droughts in winter and spring. Rainfall from June to September is approximately 410 mm, accounting for about 70% of the annual total. In 2024, the average annual temperature in Anyang City was 15.6℃.