High temperature: the annual average temperature is 265,438 0.9℃. The highest average temperature in July is 28.4℃. Although the temperature is low, at 65438 0.3℃, the annual average temperature is still above 65438 0.5℃. The extreme maximum temperature over the years is 39.65438+.
There is a lot of precipitation: the annual average precipitation 1695.9mm, the maximum precipitation in one day is 284.9mm (appearing on June 6th 1955), and the extreme precipitation in one hour is 83.9mm (appearing on May 6th 1 1).
There are few days in first frost: Although Guangzhou is located in the subtropical coastal area and the temperature is not too low in winter, you can still see the image of first frost. According to the observation records in urban areas, frost occurs about 65% of the time in a year, that is, once every three years. Of course, there will be more opportunities for frost in the suburbs than in the urban areas. However, the frost period is not long. According to statistics, the average frost period lasts about half a month (65438+10.2 to/kloc-0.9). Frost days in the whole year mostly occur in 65438+February and 65438+1 October, with an average of1day respectively. The occurrence of icing is less than that of frost days, with a probability of 28%, about once every four years.
More sunshine: the annual average sunshine hours are more than 65,438+0,800 hours. The sunshine is the most abundant from June to 65438+February, with an average of more than 5 hours per day, including more than 6 hours in July-165438+1October and more than 7 hours in July. There is relatively little sunshine from February to April, especially in March, with an average of 2 hours a day.
Low wind speed: In general, the average wind speed in Guangzhou is not large. The annual average wind speed is only1.9m/s10 to 65438+ in the winter half year in March of the following year, and the average wind speed is slightly higher, and the average wind speed in each month is between 1.9-2. 1m/s; The average wind speed in the summer half year (April-September) is relatively small, which is 1.6- 1.9m/s, but there will be short-term strong winds when tropical cyclones arrive. For example, during the landing of Typhoon Kloc-0/964 in Zhuhai on September 5th, Guangzhou experienced a speed of 35.4m/s.
Frequent thunderstorms: from March 4th to1October12nd, the thunderstorm season in Guangzhou lasts for 223 days. Of course, this is the average situation. In some years, thunderstorms come very early, such as June1983+1October 4. 1972, until 1 15 in October, thunder was still heard. The average number of thunderstorm days in the whole year is 78.3 days, which is11day for many years and 50 days for teenagers. Thunderstorms are more common from May to August.