Hong Kong weather in May

Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average

Hong Kong May weather at a glance

D Challenging 😓

In May, Hong Kong averages 24.9°C, with typical highs of 27.6°C and lows of 22.9°C. The historical average is 23 wet days and 86% humidity.

Compared with Seoul in May, it is 8.3°C warmer than Seoul, with 14 more wet days.

Hong Kong May temperature & humidity

Average24.9°CHigh 27.6° / low 22.9°

Humidity86%

Wet days23 days74% of days

Day–night range4.7°

Hong Kong May rain & wet days

Wet days23 daysHistorical monthly average

Share of wet days74%Not a forecast probability

Pack a light rain jacket, waterproof pouch and quick-dry shoes. Keep an indoor stop available between outdoor activities.

What to wear in Hong Kong in May

Choose breathable summer clothes and pack sun protection. Rain is frequent at roughly 23 days in the month; pack a rain jacket and water-resistant shoes. High humidity makes quick-dry clothing and a spare top especially useful.

DaytimeBreathable short sleeves, hat and sunscreen · average high 27.6°C
Morning & eveningLight layer for air-conditioned rooms · average low 22.9°C
FootwearComfortable walking shoes; quick-dry footwear for rainy days.

Useful extras

Breathable T-shirtsHat and sunglassesRain jacketWater-resistant shoesCompact umbrellaSpare quick-dry top

Open the Hong Kong packing checklist →

Packing essentials

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Travel compression packing pouches
코멧 여행용 압축 파우치 4종 세트 Travel plug adapter
에너자이저 PD 45W 여행용 멀티 어댑터, 화이트 Portable fan
홈플래닛 컴팩트 BLDC 휴대용 선풍기 GXZ-F78 Compact folding umbrella
솔리앤 초경량 UV차단 3단 자동우산 Inflatable travel neck pillow
마이워니 여행용 에어 목베개

Hong Kong May sunrise & sunset times

2026 May · Local time (Asia/Hong_Kong)

Sunrise on the 15th05:44

Sunset on the 15th18:56

Daylight duration13h 12m

Start, middle and end of the month
Date	Sunrise	Sunset	Daylight
2026-05-01	05:52	18:50	12h 58m
2026-05-15	05:44	18:56	13h 12m
2026-05-31	05:39	19:03	13h 24m

For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.

Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup

Hong Kong travel updates

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Hong Kong travel essentials

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Best months to visit Hong Kong

Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.

J F M A M J J A S O N D

ColdHot

May weather by year

May 202424.3°24 wet days, 88% humidity

May 202525.5°22 wet days, 83% humidity

Daily weather in 2025

Daily high and low temperatures; blue labels show precipitation

127°22°9.9mm

230°22°

328°23°2.7mm

428°23°2.7mm

529°24°

631°24°14mm

726°23°36mm

828°24°5.5mm

931°24°12mm

1030°23°15mm

1127°16°13mm

1226°18°

1326°22°

1428°23°

1528°24°1.1mm

1629°24°2.5mm

1730°24°1.2mm

1829°25°4.2mm

1931°25°1.7mm

2031°25°1.4mm

2131°26°3.4mm

2232°26°1.1mm

2330°25°5.6mm

2432°24°8.3mm

2528°22°

2628°21°

2728°23°

2827°24°5.5mm

2927°24°39mm

3026°23°9.3mm

3127°24°

Frequently asked questions

What is Hong Kong weather like in May?

In May, Hong Kong averages 24.9°C, with typical highs of 27.6°C and lows of 22.9°C. The historical average is 23 wet days and 86% humidity. Our weather-comfort rating for this month is challenging.

Does it rain a lot in Hong Kong in May?

There are about 23 wet days in May. Pack a rain jacket and water-resistant shoes.

What should I wear in Hong Kong in May?

What are the best months to visit Hong Kong?

Recent weather data rates January, February, March, October among the more comfortable months.

Where can I check Hong Kong weather in May in real time?

Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.

What time are sunrise and sunset in Hong Kong in May?

On 2026-05-15, calculated sunrise is 05:44 and sunset is 18:56 in local time (Asia/Hong_Kong). Times vary by date and terrain.

Hong Kong weather by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

More Greater China destinations in May

Taipei Kaohsiung Taichung Hualien Macau Shanghai Beijing Qingdao Zhangjiajie Chengdu Xi'an Harbin Guangzhou Sanya Hainan Guilin Ulaanbaatar Osaka Tokyo All destinations →

Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations