Historical humidity in Zhuhai
From 1979 to 2000, the annual average temperature in Zhuhai was 22.5℃, the annual variation of temperature was generally between 21.6℃ and 23.3℃, and the highest annual average temperature 1998 was 23.3℃. The lowest is 1984, which is 2 1.6℃. The daily extreme maximum temperature is 38.5℃, which appears on1July, 980 10. The daily extreme minimum temperature is 2.8℃, which appears in 199 1 year 65438+February 29th.
The coldest period is from 65438+February to the following February, in which 65438+ 10 is the coldest month, and the monthly average temperature is 15.0℃. After March, the temperature began to rise, and it entered a high temperature period in June. July is the hottest month, with an average temperature of 28.5 degrees Celsius. In June+10/October, 5438, the weather gradually turned cold. The climate characteristics of Zhuhai's four seasons are as follows: March-May is spring, June-August is summer, September-165438+1October is autumn, and 65438+February is winter.
Spring is a season of changeable weather. In the early stage, the cold air invasion began to weaken, but the impact was still frequent. In the later period, the warm and humid air flow in the ocean became increasingly active. The climate in this period is characterized by less sunshine, high humidity, many rain clouds, changeable wind direction, mainly easterly wind, and the temperature changes greatly, but gradually warms up.
In summer, southwest warm and humid air current is active, southwest wind and southeast wind prevail, and it turns into the later flood season, and the tropical weather system is mainly precipitation. Affected by tropical cyclones, it will cause wind disasters and floods, which is a relatively hot period of the year; Often controlled by subtropical high, the weather is sunny, the temperature is high, the sunshine is sufficient, and the evaporation is large. The hottest days of the year all occur during this period. Autumn, which is in the transitional period from high temperature to low temperature, rainy to little rain, and dry winter wind gradually replaces warm and humid summer monsoon, is a pleasant season with warm and cold weather and crisp autumn.
The northeast monsoon prevails in winter. The days are short and the nights are long, the gas layer is stable, the weather is cold and dry, and there is little rainfall.
Over the years, 65438+ 10 is the coldest month with little rainfall. In the previous winter and mid-winter, cold air intrusion appeared in the form of cold front, and the weather was dry and cold with frost. In late winter, the cold front often stops along the coast after crossing the border, and it is wet, cold or cold and rainy.