Hong Kong Typhoon Guide: When It Happens & What to Know
By Feyna
September 14, 2026
Hong Kong is a year-round favorite for travelers, though typhoons can affect travel plans during the warmer months.
This city has a well-established tropical cyclone warning system, with clear signals that let residents and visitors know just how serious the weather is.
If you're planning a trip to Hong Kong, it's helpful to know when typhoon season starts, what the different typhoon warning signals mean, how the weather changes during a storm, and what to do if a typhoon affects your vacation.
The statistics shows that August and September are the highest average numbers of tropical cyclones entering Hong Kong at 500km range.
But a typhoon season does not mean that Hong Kong will have a storm throughout these months but you can still experience a several days of hot, sunny weather even after a tropical cyclone.
When it is in typhoon season, the conditions can suddenly change from hot and humid to the thunderstorm, heavy rain, strong winds and many more.
One important thing about the typhoon is the weather usually do not always become dangerous immediately after a typhoon signal is issued by HKO but it advises people to take precautions because anything can be happened.
Month
Typhoon Risk
What Travellers Should Know
May
Increasing
Tropical cyclones become more possible
June
Moderate
Typhoon activity starts to become more noticeable
July
High
Strong storms can affect travel
August
High
One of the main months to watch
September
High
Historically one of the most active months
October
Moderate
Typhoons are still possible
November
Lower
Tropical cyclones become less common
December–April
Very low
Typhoons are uncommon
⚠️Important: The Hong Kong Observatory can issue separate warnings for hazards such as heavy rain, flooding and landslips during tropical cyclone situations.
Hong Kong Typhoon Signals Explained
Signal
What It Means for Travellers
No. 1
A tropical cyclone is within the warning area and may affect Hong Kong. Monitor updates and prepare for possible changes.
No. 3
Strong winds are expected or occurring. Avoid exposed coastal areas and consider changing outdoor plans.
No. 8
Gale or storm-force winds are expected or occurring. Stay indoors and expect major transport and business disruptions.
No. 9
Winds are expected to increase significantly. Stay indoors and away from exposed windows and doors.
No. 10
Hurricane-force conditions are expected or occurring. Remain indoors in a safe place and follow official instructions.
✅Note: HKO uses a network of eight near-sea-level reference anemometers when considering the issuance of No. 3 and No. 8 signals. The reference wind-speed ranges are 41–62 km/h for No. 3 and 63–117 km/h for No. 8.
Hong Kong has a comprehensive tropical cyclone warning system that operated by Hong Kong Observatory which the system is designed to give public information about changing wind conditions and allow people to prepare for a typhoon seasons.
As for travellers, they have to take the warning signals seriously but it does not ruin your entire holiday because sometimes can see a normal sightseeing days even after a storm.
In typhoon season, you can still spend time and enjoy the city at shopping malls, museums, restaurants or indoor attractions.
FAQ: Hong Kong Typhoon
What is the highest typhoon signal in Hong Kong?
Signal No. 10 is the highest tropical cyclone warning signal in Hong Kong. It indicates hurricane-force conditions.
What does Hong Kong Typhoon Signal No. 8 mean?
Signal No. 8 indicates that gale or storm-force winds are expected or occurring over Hong Kong. Travellers should stay indoors and expect significant disruption.
Are Hong Kong flights cancelled during typhoons?
Flights can be delayed or cancelled when severe weather affects Hong Kong. Check directly with your airline for the latest information.
What should I do if a typhoon hits Hong Kong during my trip?
Check the latest HKO warnings, return to a safe indoor location and follow instructions from local authorities and your hotel. Avoid beaches, hiking trails and exposed waterfront areas during strong winds.
Are Hong Kong attractions closed during a typhoon?
Some attractions, particularly outdoor attractions, may close during severe weather. Check the attraction's latest operating information before travelling.
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A passionate traveler and travel blogger who loves discovering new places, cultures, and local food. I am enjoy turning my journeys into stories, sharing travel tips, hidden gems, and budget-friendly adventures to inspire others to explore the world.