When is Shenzhen's Typhoon Season? How Many Typhoons Typically Affect the City Each Year?
TyphoonSays·防御问答 · District of Typhoon · 更新 at 2026-07-23
Timeframe of Shenzhen's Typhoon Season
Shenzhen is located on the northern coast of the South China Sea and the eastern bank of the Pearl River Estuary, making it a region frequently affected by typhoons along the South China coast. Climatologically, while typhoons can form in the Northwest Pacific (including the South China Sea) year-round, those that actually bring wind and rain impacts to Shenzhen are mainly concentrated between June and October each year. Among these, July, August, and September are the peak months for typhoon activity, commonly referred to as the "typhoon peak season."
A monthly breakdown is as follows:
- May: Occasional early-season typhoons may have an impact, but the frequency is low.
- June: The typhoon season becomes active, with the number of formations and impacts gradually increasing.
- July–September: Typhoon impacts are most frequent and intense, often involving severe typhoons or super typhoons.
- October: Typhoons still occur, but their overall frequency decreases.
- November to April of the following year: Typhoon formation and impacts are occasional and relatively rare.
It is important to note that typhoons forming in the South China Sea can affect the South China coast within just one or two days of formation. They are characterized by their rapid approach and quick departure. Therefore, residents should not let their guard down, even during the early or late stages of the typhoon season.
How Many Typhoons Typically Affect Shenzhen Per Year?
Based on long-term climate averages, Shenzhen is typically affected by 2–4 typhoons annually. Note that "affected" does not necessarily mean "direct landfall"; it includes impacts from the typhoon center passing nearby or heavy wind and rain brought by the outer circulation of the typhoon. However, there is significant interannual variability:
- In some years, typhoon activity is higher, with more than 5 typhoons affecting the city.
- In other years, activity is lower, with only one typhoon or no significant impact.
- Typhoon activity exhibits clear interannual and decadal variations, closely related to factors such as the position of the subtropical high and El Niño/La Niña events.
It is also important to distinguish between "impact" and "landfall." A typhoon may make landfall in other parts of Guangdong (such as Zhanjiang, Yangjiang, or Shanwei), Hainan, Fujian, or even Vietnam. However, as long as the typhoon enters the South China Sea and comes within a certain range of Shenzhen, it can still bring strong winds and heavy rainfall.
Typhoon Warning Levels and Preparedness Recommendations
China's typhoon warning signals are generally divided into four levels: Blue, Yellow, Orange, and Red (specific standards may vary by location; please refer to local government announcements):
- Blue Warning: Tropical cyclone impacts are possible or already occurring within 24 hours, with average wind forces of level 6 or above.
- Yellow Warning: Tropical cyclone impacts are possible or already occurring within 24 hours, with average wind forces of level 8 or above.
- Orange Warning: Tropical cyclone impacts are possible or already occurring within 12 hours, with average wind forces of level 10 or above.
- Red Warning: Tropical cyclone impacts are possible or already occurring within 6 hours, with average wind forces of level 12 or above.
According to regulations such as the "Guangdong Province Meteorological Disaster Prevention Ordinance," the issuance of Yellow, Orange, or Red typhoon warning signals may trigger emergency responses such as school suspensions and work stoppages (specific standards may vary by location; please refer to local government announcements). For example:
- When a Yellow typhoon warning or higher is in effect, nurseries, kindergartens, primary schools, and secondary schools in the affected area may suspend classes.
- When a Red typhoon warning is in effect, employers may arrange for work stoppages based on actual conditions.
Practical preparedness recommendations:
- Before the typhoon season: Check the stability of windows and doors, clear balconies of potted plants and other items that could fall, and stock up on emergency supplies such as flashlights, power banks, drinking water, and common medications.
- During the typhoon season: Continuously monitor the latest forecasts and typhoon tracks issued by meteorological authorities.
- During impacts: Avoid going outdoors as much as possible, and stay away from billboards, temporary structures, trees, and the sea.
This article is typhoonsay's original copy content, and the local policy standards are based on the local government's latest release.