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Zhengzhou Weather and Climate

Zhengzhou's climate is a monsoon influenced, four-season humid subtropical climate with cool, dry winters and hot, humid summers. Spring and autumn are dry and somewhat abbreviated transition periods. The city has an annual average temperature of at 14.4 °C (57.9 °F), with monthly daily mean temperatures ranging from 0.1 °C (32.2 °F) in January to 27.0 °C (80.6 °F) in July. The frost-free period lasts on average 220 days.

Rainfall is primarily produced by the monsoonal low during summer; in winter, when the vast Siberian High dominates due to radiative cooling from further north, the area receives little precipitation. During the summer season, the city is also often affected by tropical depressions, which bring additional amounts of rain. The annual precipitation is about 630 millimetres (25 in), and there are about 2200 hours of sunshine per year.