January 17 is generally a great time to visit Hanoi. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 20°C weather. As it's peak season for Hanoi, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Hanoi
Currency
VND
₫ Vietnamese đồng
Language
Vietnamese
Driving
Right side
Connect
Most regular restaurants and cafés have ...
Safety
High Safety
GPI: 1.786
Hanoi Weather Forecast for January 17
"Mild & Comfortable. Expect average highs of 20.4°C. 17% chance of rain."
What to Wear in Hanoi in January
Based on historical data for January 17, Hanoi typically experiences temperatures between 13.5°C and 20.4°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Hanoi
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.4°C
Daytime Peak
Average Low
13.5°C
Nighttime Low
Feels Like
20.5°C
☀️ Feels accurate
Rain Chance
17%
Avg 0.7mm if it rains
Cloud Cover
75%
Overcast
Pressure
1018.8 hPa
Medium volatility
Hanoi Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 80% of the time. Safe to plan outdoor activities with confidence.
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
15.8°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Vietnam
Flight Traffic
High
93/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~274
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hanoi
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:37
☀️ Noon
12:07
🌇 Sunset
17:37
⏱️ Daylight
11h 0m
Wind Speed
12 km/h
Gentle breeze
Sunshine
4.6 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hanoi
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 Hanoi
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. Everyone should reduce outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hanoi on January 17 averages 20.4°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Hanoi Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
January 20
20.4°C • 15% rain
Score
100
January 21
20.3°C • 15% rain
Score
100
January 14
20.4°C • 16% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (January 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Hanoi Worth Visiting on January 17?
Planning a trip to Hanoi on January 17? 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 20.4°C with a 17% historical precipitation risk.
✈️ Travel Logistics: Approximately 274 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for Vietnam, including COVID-19.
📊 Historical Extremes: The hottest January 17 recorded in the last 30 years saw temperatures hit 25.4°C in 2024, while the coldest dropped to 9.4°C in 2019.