Climate guide for Hong Kong, China

Hong Kong in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

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

Full year for Hong Kong
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.