January 11 is generally a great time to visit Halong Bay. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 19°C weather. Expect a bustling atmosphere in Halong Bay right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Halong Bay
Currency
VND
₫ Vietnamese đồng
Language
Vietnamese
Driving
Right side
Safety
High Safety
GPI: 1.786
Halong Bay Weather Forecast for January 11
"Mild & Comfortable. Expect average highs of 19.2°C. 21% chance of rain."
What to Wear in Halong Bay in January
Based on historical data for January 11, Halong Bay typically experiences temperatures between 14.5°C and 19.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Halong Bay
Smart Suitcase
- Light Jacket
- Long Pants
Average High
19.2°C
Daytime Peak
Average Low
14.5°C
Nighttime Low
Feels Like
19.2°C
🌤️ Feels accurate
Rain Chance
21%
Avg 0.9mm if it rains
Cloud Cover
74%
Overcast
Pressure
1019.2 hPa
Medium volatility
Halong Bay 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
🔴 200 min to burn
Type III-IV
🟡 300 min to burn
Type V-VI
🟢 500 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.7°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
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Vietnam
Flight Traffic
High
80/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~20
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Halong Bay
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:31
☀️ Noon
12:00
🌇 Sunset
17:28
⏱️ Daylight
10h 57m
Wind Speed
15 km/h
Gentle breeze
Sunshine
4.9 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Halong Bay
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Halong Bay
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Unhealthy for sensitive groups. Consider wearing a mask outdoors.
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, Halong Bay on January 11 averages 19.2°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Halong Bay Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
January 4
20.6°C • 6% rain
Score
100
January 5
20.6°C • 5% rain
Score
100
January 6
20.5°C • 6% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 11) in other destinations
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📍 Is Halong Bay Worth Visiting on January 11?
Planning a trip to Halong Bay on January 11? 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 19.2°C with a 21% historical precipitation risk.
✈️ Travel Logistics: Approximately 20 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for Vietnam, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 18.5°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.55m.
📊 Historical Extremes: The hottest January 11 recorded in the last 30 years saw temperatures hit 23.6°C in 2020, while the coldest dropped to 9.3°C in 2021.