Historical data suggests significant rain risk (83%) on August 21. If you seek sun, consider a different date. Bring rain gear! Ho Chi Minh City is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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Essential Travel Info for Ho Chi Minh City
Currency
VND
₫ Vietnamese đồng
Language
Vietnamese
Driving
Right side
Connect
The telephone code of Ho Chi Minh City i...
Safety
High Safety
GPI: 1.786
Ho Chi Minh City Weather Forecast for August 21
"Rainy & Overcast. Expect average highs of 31°C. 83% chance of rain."
What to Wear in Ho Chi Minh City in August
Based on historical data for August 21, Ho Chi Minh City typically experiences temperatures between 24.4°C and 31°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 83% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Ho Chi Minh City
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
31°C
Daytime Peak
Average Low
24.4°C
Nighttime Low
Feels Like
42.7°C
🔥 Heat index effect
Rain Chance
83%
Avg 7.8mm if it rains
Cloud Cover
86%
Moderate rain
Pressure
1008.2 hPa
Low volatility
Ho Chi Minh City Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 23 min to burn
Type III-IV
🟡 35 min to burn
Type V-VI
🟢 58 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
28.2°C
Humid/Sticky
Heat Index
42.7°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Vietnam
Flight Traffic
High
89/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~365
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ho Chi Minh City
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:45
☀️ Noon
11:58
🌇 Sunset
18:11
⏱️ Daylight
12h 26m
Wind Speed
13.7 km/h
Gentle breeze
Sunshine
9.3 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Ho Chi Minh City
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 Ho Chi Minh City
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ho Chi Minh City on August 21 averages 31°C with a 83% precipitation probability. Wedding/Outdoor Event Score: 40/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Ho Chi Minh City Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
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 (August 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Ho Chi Minh City Worth Visiting on August 21?
Planning a trip to Ho Chi Minh City on August 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31°C with a 83% historical precipitation risk.
✈️ Travel Logistics: Approximately 365 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 August 21 recorded in the last 30 years saw temperatures hit 33.1°C in 2024, while the coldest dropped to 23.1°C in 2025.