Guangzhou is located in the middle of Guangdong, north of the Pearl River Delta. With a moderate temperature throughout the year, it is very difficult to give clear division between four seasons. The city has humid subtropical climate which is characterized by warm winters, hot summers, little frost and snow, and sufficient rain and sunshine. All those changes in climate makes it fabulous destination for travelling.
Best time to visit Guangzhou is between October to February. Since summer season is peak time for tourism, travelers are advised to avoid this time of the year. If you happen to travel around in this season, make your reservations in advance. Most of the places are closed during Chinese New Year, better to avoid visiting during this time.