Overview: China - East coastChina - East coast in general has a mild continental climate. Temperatures during the day are in the range from 8 °C (47 °F) in January to 32 °C (89 °F) in July. Temperatures during the night go from 2 °C (35 °F) in January to 25 °C (77 °F) in July. The least rainy month in China - East coast is December with its 7 days of rain, the rainiest month is June, when it rains 14 days.