The climate in Dalian is a monsoon-influenced humid continental one with cold, dry winters and warm, humid summers. The summer months are the wettest, as they receive the maximum precipitation levels. Average annual temperature is 11 degree Celsius.
Winter: Beginning from December and lasting till March beginning, winters in Dailan are very cold with the temperatures ranging around -3 degree Celsius. As rainfall is minimum, winters are dry, windy and cold.
Spring: The mercury starts rising by the end of March and lasts till May. Flowers are in full blossom during this period and the weather very pleasant. Temperature is around 10 degree Celsius with the end of May reaching upto 20 degree Celsius.
Summer: June to September is the hottest period of the year with the temperatures being around 23 -24 degree Celsius. Majority of the rainfall is received during these very months making the weather hot and humid.
Autumn: The temperature and rainfall level, both decrease over October and November. The usual temperatures are around 10 degree Celsius.
The months of September and October are a best time to visit Dailan. This is the peak tourist season, as everyone enjoys the great weather during this time of the year.