Abstract:The following are the main characteristics of the general circulation of atmosphere in June 2015. There are two polar vortex centers in the Northern Hemisphere, which is a little bit stronger than normal years. The strength of subtropical high is close to climatological normal. The monthly mean temperature over China is 20.3℃, 0.3℃ higher than the corresponding period of normal years. The monthly mean temperature in southern (northern) China is mainly higher (lower) than the same period of normal years. The mean precipitation (104.8 mm) is 5.5% more than normal (99.3 mm). Eight rainfall processes appear in June 2015. Severe precipitation events happen in Yangtze River and Huaihe river and the northern part of South Yangtze River Region and many showery rains occur in Northeast China. Drought gets mitigated in Hainan, but strengthened in western Yunnan Province. High temperature events are observed at 64 stations. Gale and hail disasters hit 21 provinces this month. No.8 Typhoon, lands in Guangdong, which is the first landing typhoon in China this year.