May · China
Best time to visit Hong Kong in May Weather, crowds & prices
Weather in Hong Kong in May
Average temperature 26°C, 346 mm of rain, about 15 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
3.7/10
Ranked #8 of 12 months
- Avg temp
- 26°C
- Rainfall
- 346 mm
- Humidity
- 85%
- Days with 6h+ sun
- 15
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Hong Kong scores 3.7/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 26°C, 346 mm of rain, and roughly 15 days with 6+ hours of sunshine this month.
Harbor skyline, dim sum, and hillside trails feel best in the cooler dry stretch of January-March.
May in Hong Kong: expect compromises
May averages 26°C (78°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
346 mm of rain puts this in monsoon territory — about 15 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 3.7/10 here, 8th of 12 months, against 8.7/10 in the destination's best month.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? December scores 5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Hong Kong in May?
- In May, Hong Kong averages 26°C, 346 mm of rain, and about 15 days with 6+ hours of sunshine. Its climate-comfort score is 3.7/10.
- Is May a good time to visit Hong Kong?
- May earns a 3.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Hong Kong in May?
- Expect about 346 mm of rain in May. Average humidity is 85% and there are about 15 days with 6+ hours of sunshine.
Curated in Hong Kong
Tickets & experiences
Things to do in Hong Kong
Hong Kong, China. Live activities and tours from GetYourGuide, matched to this destination.

