T he climate of Dalian is characterized by tepid summers, abundant rainfalls, and short sunshine duration. The land is marked by shallow maximum depth of frozen ground annually and enjoys mild wind and rainfalls throughout the year. The annual average temperature of Dalian is 11.8℃, with 2013 being the fourth warmest year after 1951. The annual highest extreme temperature is 32℃, while the lowest one is -13.6 ℃.The temperature in the winter months of January and February is four to five degrees higher than the past years. The temperature in January remained normal but rose by four degrees compared with the annual average level in February. The average temperature in the spring months from March to May is 10.8 degrees, which is 1.5 degrees higher than the same period of the past years, with the data rising by 2.9, 0.9 and 0.5 degrees respectively in March, April and May. The average temperature of the summer months from June to August is 22℃, which dropped by 0.4 degrees compared with the same period of the past years. The average temperature in June dropped by 1 degree, while July is slightly cooler and August remained normal. The average temperature of the autumn months from September to November is 14.9℃, which is 1.6 degrees higher than the same period of the past years. Temperature in September and October is two to three degrees higher than the past data while November remained normal. Temperatures in middle December, February, March and October all reached the highest value on the record since 1951. The annual precipitation in Dalian is 818.8 mm, rising by 2.5% compared with the past years.