Due to its subtropical climate, Shenzhen weather is mild with plenty of sunshine and rainfall all year round. Summer in this city usually lasts for as long as 6 months, but without being overly hot. In comparison, winter is very short and not cold at all.
Spring in the city falls between February and April when the weather is usually variable – hot days turn into cooler nights. A cold wave may come even in late February. When the temperature drops, it is always accompanied by rain. After the low temperature and rains, heavy fog often appears along the seacoasts. Travelers should take long-sleeved T-shirts, thick jackets and an umbrella.
Summer, the flood season for the city, is rather long from late April until the end of October. During this time, disastrous weather like rainstorms, thunderstorms and typhoons are common there. The high temperature is about 35 C (95 F), but you may feel extremely hot because of the high humidity. Skirts, dresses, and shorts are proper for this time. Remember to take a raincoat as well. The best summer resort are Dameisha Beach and Xiaomeisha Beach.
Shenzhen weather in autumn from November to early January is dry and cool. The temperature won't drop until December and it still remains around 20 C (68 F). Autumn droughts of varying degrees happens almost every year because of less rain and large evaporation. A long-sleeved T-shirt and a light overcoat are enough for this season.
The city has an average winter time of 24 days per year, between middle January to early February. The climate is always as warm as the spring in northern China, with an average temperature of 10 C (50 F). The temperature may fall to around 3 C (37 F) when there is cold spell, but the cold won’t last for long. Once there are three continuous sunny days, you will feel as hot as in summer. If you travel there at this time, you may just take a long-sleeved T-shirt and a thick jacket.