Abstract: Raingauge rainfall data of nearly 40 years (1951-1994) at 86 stations of Guangdong province in Southern China are used to analyze the features of dryness and wetness during the 40-year period.The results show that the area mean yearly rainfall is about 1750mm.The four centers of large rainfall are located near Enping,Qinyan,Haifong and Longmen respectively.The wet years verified are 1959,1961,1973,1975 and 1983,among which 1973 is an extremly wet yaer (the rainfall deviation is more than twice as large as the standard deviation),and the dry years are 1956,1963,1977 and 1991,of which 1956 and 1963 are extremely dry years.