Hong Kong weather in May 2025

Expect 28°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Hong Kong in May. Check more long-term weather averages for Hong Kong in May before you book your next holiday to Hong Kong in 2025/2026.

  • 28°C maximum daytime temperature in May in Hong Kong28
    28°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in May in Hong Kong15
    15 days with some rainfall
  • 24°C minimum night-time temperature in May in Hong Kong24
    24°C min night temperature
  • 13 hours of daylight per day in May in Hong Kong13
    13 hours of daylight per day
  • Moderate heat & humidity in May in Hong KongM
    Moderate heat & humidity
  • 298 mm monthly rainfall in May in Hong Kong298
    298 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in Hong Kong11
    11+ (Extreme) UV index
  • 25°C sea temperature in May in Hong Kong25
    25°C sea temperature

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The May weather guide for Hong Kong shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Hong Kong

How hot is it in Hong Kong in May?

Daytime temperatures usually reach 28°C in Hong Kong in May with moderate heat and humidity, falling to 24°C at night.

How sunny is it in Hong Kong in May?

There are normally 5 hours of bright sunshine each day in Hong Kong in May - that's 39% of daylight hours.

How warm is the sea around Hong Kong in May?

The average sea temperature around Hong Kong in May is 25°C.

Does it rain in Hong Kong in May?

There are usually 15 days with some rain in Hong Kong in May and the average monthly rainfall is 298mm.

What is the chance of a typhoon in Hong Kong in May?

On average less than 1 day in May in Hong Kong is likely to be affected by the passage of one or more tropical storms.

Hong Kong May sunrise & sunset times

Browse the sunrise and sunset times for Hong Kong in May 2025. Select a month to view Hong Kong sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:51 18:50
Friday, 16th May 2025 05:43 18:56
Saturday, 31st May 2025 05:39 19:03

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