City break

Kowloon weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

49

Holiday weather in May

Fair

Best time to visit: October – February

What is the weather like in Kowloon in May?

In May, Kowloon is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.0 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It rains often – on about 20 days, adding up to 237 mm. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Kowloon.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score624941
Day26°28°29°
Night21°24°26°
Sea23°26°28°
Sun4 h5 h5 h
Rain days142023

More details for May

Daylight
13 h 12 min05:44 – 18:55
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
30 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
76 %on averageAll months
Hot days
4 days30 °C or moreAll months
Time zone
UTC+8Asia/Hong_Kong

How the score comes together

  • Temperatureweight 50 %88 %
  • Sunshineweight 20 %25 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Kowloon in May: quick answers

Is Kowloon hot in May?

Yes. In May, Kowloon is hot: daytime highs average 28 °C and nights stay around 24 °C. On about 4 days the thermometer climbs to 30 °C or more.

Can you swim in Kowloon in May?

Yes. In May the sea averages 26.0 °C – lovely and warm for swimming.

Does it rain much in Kowloon in May?

It rains often – on about 20 days, adding up to 237 mm.

Kowloon month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences