May 12 sees frequent showers in Hong Kong. Historical data shows a 41% chance of rain, so pack accordingly. Temperatures average 28°C. Moderate travel demand makes this an excellent time for a balanced Hong Kong experience.
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Essential Travel Info for Hong Kong
Currency
HKD
$ Hong Kong dollar
Language
English
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Driving
Left side
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Hong Kong Weather Forecast for May 12
"Warm & Sunny. Expect average highs of 27.6°C. 41% chance of rain."
What to Wear in Hong Kong in May
Based on historical data for May 12, Hong Kong typically experiences temperatures between 23.6°C and 27.6°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 41% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Hong Kong
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
27.6°C
Daytime Peak
Average Low
23.6°C
Nighttime Low
Feels Like
32.1°C
🔥 Feels warmer
Rain Chance
41%
Avg 3.7mm if it rains
Cloud Cover
68%
Light drizzle
Pressure
1010.2 hPa
Low volatility
Hong Kong Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
25.2°C
Humid/Sticky
Heat Index
32.1°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Hong Kong
Flight Traffic
Moderate
43/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~492
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hong Kong
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:46
☀️ Noon
12:21
🌇 Sunset
18:55
⏱️ Daylight
13h 9m
Wind Speed
16.2 km/h
Gentle breeze
Sunshine
9.1 hrs
Direct Sun (Cloud-free)
Humidity
87%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hong Kong
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Hong Kong
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Unhealthy. Everyone should reduce outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Typhoon Risk
Year-round risk present
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hong Kong on May 12 averages 27.6°C with a 41% precipitation probability. Wedding/Outdoor Event Score: 83/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Hong Kong Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 12) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Hong Kong Worth Visiting on May 12?
Planning a trip to Hong Kong on May 12? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 27.6°C with a 41% historical precipitation risk.
✈️ Travel Logistics: Approximately 492 landing slots available daily during this period, indicating peak tourist activity.
🌊 Coastal Conditions: Water temperature averages 26°C (tropical bath). Wave conditions are generally fun waves with heights around 0.62m.
📊 Historical Extremes: The hottest May 12 recorded in the last 30 years saw temperatures hit 29.6°C in 2017, while the coldest dropped to 18.9°C in 2025.