30YearWeather
Hanoi, January 1
Hanoi street view during January
Historical Weather Analysis

Hanoi Weather on January 1 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

20.8°C

High

13.4°C

Low

11%

Rain

☀️ Feels like 20.9°C

clear-day
YES, IT'S PARADISE
HolidayPeak Season

January 1 is statistically one of the best days of the year in Hanoi. With minimal rain risk (11%) and pleasant highs of 21°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Hanoi right now—this is when the city truly comes alive with visitors. Note: January 1 is New Year's Day in Hanoi, so expect special events, closures, and festive atmosphere.

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 1

"Mild & Comfortable. Expect average highs of 20.8°C. 11% chance of rain."

What to Wear in Hanoi in January

Based on historical data for January 1, Hanoi typically experiences temperatures between 13.4°C and 20.8°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (11% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Hanoi

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

20.8°C

Daytime Peak

Average Low

extreme-cold

13.4°C

Nighttime Low

Feels Like

partly-cloudy-day

20.9°C

☀️ Feels accurate

Rain Chance

rain

11%

Avg 0.5mm if it rains

Cloud Cover

cloudy

67%

Overcast

Pressure

pressure

1020.5 hPa

Low volatility

Hanoi Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

81%Highly Predictable

Based on 10 years of data

Temperature
±3.8°CModerate
Precipitation
6-20%Predictable

🎯 This date historically delivers consistent weather 81% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.4Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

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?

83Excellent
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

16°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Holiday

New Year's Day

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

06:34

☀️ Noon

12:01

🌇 Sunset

17:27

⏱️ Daylight

10h 52m

Golden Hour
Morning06:34 - 07:07
16:54 - 17:27Evening

Wind Speed

wind

10.6 km/h

Light breeze

Sunshine

clear-day

5.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

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

91/100

Tourist Crowds

🟢 Moderate

40/100

Price Level

💰💰 Moderate

50/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1020.5 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexPoor

High pressure may reduce activity.

Air Quality Forecast
164AQI
Unhealthy
PM2.5 Concentration136 µg/m³

Unhealthy. Everyone should reduce outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Jan (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hanoi on January 1 averages 20.8°C with a 11% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Hanoi Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2024
26.8°C
Coldest
2021
7.9°C
Rainiest
2017
6.8mm

Compare Other Cities

Same date (January 1) in other destinations

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📍 Is Hanoi Worth Visiting on January 1?

Planning a trip to Hanoi on January 1? 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 20.8°C with a 11% historical precipitation risk.

🎉 Local Event: The date coincides with New Year's Day, which may influence local business hours and event availability.

✈️ 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 1 recorded in the last 30 years saw temperatures hit 26.8°C in 2024, while the coldest dropped to 7.9°C in 2021.

Hanoi Weather FAQ