Dongguan has four seasons which are not too hot or cold, but alittle humid. There is not obvious changes among different seasons.
Summer months in Dongguan are long and hot with plenty of rainfall. Summer is also a rainy season. About 70% of the city's rainfall happens in summer. Heavy rainstorms are common throughout the summer, and may occur on sunny afternoons without warning. Heavy rain may block traffic. Summer resorts are a great way to escape the summer heat.
Autumn is short and days become cooler and cooler as rainfall increases.
Although there is no winter in Dongguan, the coldest months are Janurary and Febrary.