Middle of the wetter season · Weather & things to do
Hong Kong Island and Kowloon in May
Hong Kong Island and Kowloon warms up: highs climb to 84°F (29°C), from 79°F in April, with lows of 76°F (24°C) and about 8.3 in (210 mm) of rain.
Our comfort score puts it mid-table at 47/100, 9th of 12.
- Avg high
- 84°F (29°C)
- Avg low
- 76°F (24°C)
- Rain
- 8.3 in (210 mm)
- Humidity
- 84%
- Cloud cover
- 76%
- Daylight
- ~13 h 04 min
- Comfort score
- 47/100 · Fair
What May feels like
Highs settle around 84°F (29°C), warm enough for short sleeves.
Even at night it stays warm, around 76°F (24°C).
Humidity averages 84%, so the air feels sticky and the heat feels stronger than the thermometer says.
Expect regular rain: about 8.3 in (210 mm) falls in the month.
Skies are often grey, with average cloud cover around 76%.
Plan around May
May sits mid-table; the best months are November – January.
- Comfort slips from 69/100 in April to 47/100.
- Our Hong Kong, Lantau & Macau route recommends Oct – Dec, so May falls outside its suggested window.
What to pack for May
- Light, breathable clothes84°F afternoons
- Quick-dry fabrics84% average humidity
- Rain jacket and waterproof shoes8.3 in of rain on average
- Comfortable walking shoesmost picks involve some walking
What to do in Hong Kong Island and Kowloon in May
With 8.3 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Maxim's Palace City Hall
Huge banquet hall serving dim sum from push carts, with harbor-side windows.
Why now A sit-down stop to wait out showers in a month with 8.3 in of rain.
M+ Museum
Museum of visual culture in West Kowloon with harbor-facing terraces.
Why now An indoor-leaning stop for a month with 8.3 in of rain.
Ozone at The Ritz-Carlton
Bar on the 118th floor of the ICC tower, high above the harbor.
Why now Easy to slot in when May's rain moves in.
Kam's Roast Goose
Small Wan Chai shop known for crisp-skinned roast goose over rice.
Why now Keeps part of the day dry on wetter May days.
Star Ferry
Green-and-white ferries crossing Victoria Harbour since 1888 for a few dollars.
Nearby in May
- Lantau Island in May~14 mi · highs 81°F, 9.1 in rain · 2°C (3°F) cooler by day, wetter
- Macau in May~40 mi · highs 80°F, 9.7 in rain · 2°C (4°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Hong Kong Island and Kowloon in May: quick answers
Is May a good time to visit Hong Kong Island and Kowloon?
It's middling, scoring 47/100. The best months are November – January, at up to 91. Expect highs of 84°F (29°C) and 8.3 in (210 mm) of rain. Our Hong Kong, Lantau & Macau route recommends Oct – Dec, so May is outside its suggested window.
How hot is Hong Kong Island and Kowloon in May?
Average highs are 84°F (29°C) and average lows 76°F (24°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Hong Kong Island and Kowloon in May?
Yes: about 8.3 in (210 mm) of rain falls across May on average, the 3rd-wettest month of the year. The annual total is about 55.2 in (1401 mm).
What should I pack for Hong Kong Island and Kowloon in May?
Bring light, breathable clothes (84°F afternoons), quick-dry fabrics (84% average humidity), rain jacket and waterproof shoes (8.3 in of rain on average) and comfortable walking shoes (most picks involve some walking).
More on Hong Kong Island and Kowloon
Planning Hong Kong Island and Kowloon in May?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.