How's the weather from 9-17 December 2014 in Shanghai

1. SH: the temperature is 37 – 50F. For most of the days it is sunny or cloudy.
2. Suzhou, Wuxi, Hangzhou, and Haining are near each other, the weather in these cities doesn't have much difference then. The temp is around 30 – 53F. It would be sunny usually, but sometimes it would be rain there.
3. Nanjing: the temp is 28 – 48F there. It rains sometimes and would be sunny in other days.
In a word, it will be cold in those cities you have mentioned before. So prepare thick clothes, such as jacket and sweaters with you before you go.