WanderWhen

Hong Kong weather in May

May is a fair shoulder-season month in Hong Kong — decent conditions with some trade-offs. Expect highs around 27°C, lows near 24°C, and about 24 days with rain.

6.0 · Fairtravel score for May
Avg high
27°C
Avg low
24°C
Rainfall
327 mm
Rain days
24
Sunshine
7.9 h/day
Daylight
13.1 h

What to pack for Hong Kong in May

  • t-shirts and light layers
  • a light jacket for evenings
  • a compact umbrella or rain shell — rain is frequent
  • expect humid, sticky conditions

Humidity averages 90%; max daily wind around 18 km/h.

Hong Kong in May: the details

In May, Hong Kong sees average daytime highs of 27°C (81°F) and overnight lows of 24°C (75°F). Rainfall totals roughly 327 mm across 24 rainy days, and the sun shines about 7.9 hours per day with 13.1 hours of daylight mid-month. Relative humidity averages 90%.

These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for Hong Kong, Hong Kong (22.28, 114.17) — see our methodology. Actual conditions vary year to year.

Where should you go next month?

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