Hong Kong in May
In May, Hong Kong averages 28°C (82°F) during the day and 23°C (73°F) at night, with frequent rain — about 15 days of the month see precipitation (295 mm total).
ShoulderConditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.
May offers comfortable temperatures in Hong Kong, with some rain to plan around.
How May compares to the rest of the year in Hong Kong
May is in the middle of the year for warmth in Hong Kong (5th of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 3°C above the annual average (25°C). May runs 3°C warmer than April (25°C) and warms a further 2°C into June (30°C).
May sunrise & sunset in Hong Kong
Times shown for Hong Kong local time (Asia/Hong_Kong), calculated for the 15th of May. They shift by a few minutes day to day across the month.
Photography light in Hong Kong — May
Golden-hour and blue-hour windows for the 15th of May, in Hong Kong's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Hong Kong in May
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (Shoulder) and Hong Kong's popularity.
Crowds & pricing — May in Hong Kong
Hong Kong is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — May in Hong Kong
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Hong Kong — May
Across the year Hong Kong's sea swings from 18.6°C (January) to 29.3°C (July) — May sits at 26.3°C.
Hong Kong in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 18°C / 64°F | 14°C / 57°F | 25 mm | 5 | — |
| February | 19°C / 66°F | 15°C / 59°F | 55 mm | 9 | — |
| March | 21°C / 70°F | 17°C / 63°F | 85 mm | 11 | — |
| April | 25°C / 77°F | 20°C / 68°F | 165 mm | 12 | — |
| May | 28°C / 82°F | 23°C / 73°F | 295 mm | 15 | — |
| June | 30°C / 86°F | 26°C / 79°F | 395 mm | 19 | — |
| July | 31°C / 88°F | 26°C / 79°F | 375 mm | 17 | — |
| August | 31°C / 88°F | 26°C / 79°F | 450 mm | 17 | — |
| September | 30°C / 86°F | 25°C / 77°F | 325 mm | 14 | — |
| October | 28°C / 82°F | 22°C / 72°F | 100 mm | 7 | — |
| November | 24°C / 75°F | 18°C / 64°F | 40 mm | 5 | — |
| December | 20°C / 68°F | 15°C / 59°F | 25 mm | 4 | — |
Other cities with similar May weather
🌍 See the full ranked list of climate twins for Hong Kong in May →
Frequently asked questions
How hot is Hong Kong in May?
In May, Hong Kong averages a high of 28°C (82°F) and a low of 23°C (73°F) — generally warm.
Does it rain a lot in Hong Kong in May?
May is quite rainy in Hong Kong, with about 15 rainy days on average.
Is May a good time to visit Hong Kong?
May is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Hong Kong in May?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May packing list for Hong Kong for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.