Hong Kong weather in May (Hong Kong)

Curious about the May weather in Hong Kong? Check out this comprehensive weather guide.

In May, Hong Kong generally has high temperatures and heavy rainfall. Throughout the day, temperatures typically settle at around 29°C (show in °F). But by evening, they drop to around 25°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Hong Kong in May falls under the rainy season with heavy rainfall, averaging around 222 mm (show in inches) for the month. Typically around 15 days of rainfall is expected.

The city usually sees around 137 hours of sunlight, indicating a moderately sunny period.

If you prefer dry days with pleasant temperatures, January, February, March, October, November and December typically offer the best circumstances. While June, July, August and September tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Hong Kong climate page with graphs.


Hong Kong, monthly averages in May

Show in Fahrenheit
Min Temperature 24.6°C  
Max Temperature 29.1°C  
Water Temperature 25°C  
Chance of Rain 50%  
Precipitation 222 mm  
Rainy days 15 days  
Humidity 82%  
Windspeed 7 km/h  
Sunshine 137 hours  
Percentage Sunshine 34%  

Where to go in Hong Kong in May

Find out more about the weather in Hong Kong in May and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So, what should you wear in Hong Kong in May?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 25°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Hong Kong.

Our site offers climate and forecast data for every country in the world. Are you going to Hong Kong? On this website you can find historical weather averages for many cities in Hong Kong. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.