May sees a significant rise in temperature, with a maximum temperature exceeding 30 °C (86 °F) and the average temperature reaching 27 °C (81 °F). It is hot and the rainy season starts, with increasing rainfall, occasional thunderstorms, and heavy showers breaking out this month. Generally, summer clothing works, but also bring spring clothing for when it gets cold.
May falls during the peak travel season. May 1st to 3rd is the National Holiday week in China. At this time, hotel rates are often higher than usual and tourist attractions are crowded. If you plan to visit Zhuhai during this period, make your reservations in advance.