How long does it take for Haikou to be wet and cold?

The wet and cold weather in Haikou takes about 3 to 5 days. According to relevant information, the so-called humidity in Haikou means that cold air will be accompanied by rainy weather when it is affected southward, lasting for 3 to 5 days. When the cold air is affected, there will be a phenomenon of returning to the south, and the tide will recede for about 2 to 3 days.