Here is a link from the Hong Kong Observatory providing instant weather and climate information for Hong Kong
Hong Kong Weather and Climate
http://www.hko.gov.hk/contente.htm
Here are links from the World Meteorological Organization (WMO) and World Climate Index providing updated weather information and information about the climate for the following Chinese cities:
Guangzhou Weather
http://www.worldweather.org/001/c00241.htm
Guangzhou Climate
http://www.climate-charts.com/Locations/p/PC59287.html
Shanghai Weather
http://www.worldweather.org/001/c00240.htm
Shanghai Climate
http://www.climate-charts.com/Locations/p/PC58367.html
Ningbo Weather
http://www.worldweather.org/001/c00564.htm
Other cities in China
http://www.worldweather.org/001/m001.htm