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.
How May compares
Best months in Hong Kong: November–February. See the full best time to visit Hong Kong guide.
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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