30YearWeather
Hanoi, April 23
Hanoi street view during April
Historical Weather Analysis

Hanoi Weather on April 23 — Best Time to Visit?

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

cloudy

29.8°C

High

22.9°C

Low

33%

Rain

🔥 Feels like 37.6°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

April 23 is generally a great time to visit Hanoi. While there is a slight chance of rain (33%), showers are usually brief. Expect comfortable 30°C weather. Expect a bustling atmosphere in Hanoi right now—this is when the city truly comes alive with visitors.

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 April 23

"Warm & Sunny. Expect average highs of 29.8°C. 33% chance of rain."

What to Wear in Hanoi in April

Based on historical data for April 23, Hanoi typically experiences temperatures between 22.9°C and 29.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 33% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Hanoi

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

29.8°C

Daytime Peak

Average Low

extreme-cold

22.9°C

Nighttime Low

Feels Like

partly-cloudy-day

37.6°C

🔥 Heat index effect

Rain Chance

rain

33%

Avg 3.3mm if it rains

Cloud Cover

cloudy

72%

Light drizzle

Pressure

pressure

1008.5 hPa

Medium volatility

Hanoi Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

73%Reliable

Based on 10 years of data

Temperature
±4.2°CVariable
Precipitation
17-50%Moderate

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

4.2Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 19 min to burn

Type III-IV

🟡 29 min to burn

Type V-VI

🟢 48 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

45Poor
TemperatureHot
HumidityMuggy
WindLight Breeze

Dew Point

26.4°C

Humid/Sticky

Heat Index

37.6°C

Feels hotter

😕 Best outdoor time:
Morning hours (before 11 AM)

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Vietnam

Flight Traffic

High

92/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~271

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Hanoi

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:33

☀️ Noon

11:56

🌇 Sunset

18:19

⏱️ Daylight

12h 46m

Golden Hour
Morning05:33 - 06:03
17:49 - 18:19Evening

Wind Speed

wind

14.9 km/h

Gentle breeze

Sunshine

clear-day

6.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

82%

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

⛅ Good

74/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1008.5 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

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 Apr (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hanoi on April 23 averages 29.8°C with a 33% precipitation probability. Wedding/Outdoor Event Score: 85/100."

— 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
2025
35.5°C
Coldest
2020
18.3°C
Rainiest
2025
50.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (April 23) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Hanoi Worth Visiting on April 23?

Planning a trip to Hanoi on April 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.8°C with a 33% historical precipitation risk.

✈️ Travel Logistics: Approximately 271 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 April 23 recorded in the last 30 years saw temperatures hit 35.5°C in 2025, while the coldest dropped to 18.3°C in 2020.

Hanoi Weather FAQ