January 31 is statistically one of the best days of the year in Hong Kong. With minimal rain risk (8%) and pleasant highs of 19°C, it's ideal for outdoor adventures. Moderate travel demand makes this an excellent time for a balanced Hong Kong experience. Note: January 31 is Third day of Lunar New Year in Hong Kong, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Hong Kong
Currency
HKD
$ Hong Kong dollar
Language
English
+1 more
Driving
Left side
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Hong Kong Weather Forecast for January 31
"Mild & Comfortable. Expect average highs of 18.9°C. 8% chance of rain."
What to Wear in Hong Kong in January
Based on historical data for January 31, Hong Kong typically experiences temperatures between 13.5°C and 18.9°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (8% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Hong Kong
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.9°C
Daytime Peak
Average Low
13.5°C
Nighttime Low
Feels Like
18.9°C
🌤️ Feels accurate
Rain Chance
8%
Avg 0.3mm if it rains
Cloud Cover
55%
Overcast
Pressure
1020 hPa
Low volatility
Hong Kong Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 160 min to burn
Type III-IV
🟡 240 min to burn
Type V-VI
🟢 400 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.2°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Holiday
Third day of Lunar New Year
Flight Traffic
Moderate
41/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~461
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hong Kong
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:03
☀️ Noon
12:37
🌇 Sunset
18:11
⏱️ Daylight
11h 8m
Wind Speed
17.6 km/h
Gentle breeze
Sunshine
7.7 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hong Kong
Smart Flight Estimator
Airport-to-Airport Logistics
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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
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
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 January 31 averages 18.9°C with a 8% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— 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 (January 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Hong Kong Worth Visiting on January 31?
Planning a trip to Hong Kong on January 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18.9°C with a 8% historical precipitation risk.
🎉 Local Event: The date coincides with Third day of Lunar New Year, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 461 landing slots available daily during this period, indicating peak tourist activity.
🌊 Coastal Conditions: Water temperature averages 17.7°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.9m.
📊 Historical Extremes: The hottest January 31 recorded in the last 30 years saw temperatures hit 23.8°C in 2019, while the coldest dropped to 6.1°C in 2018.