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Weather Comparison

Vientiane vs Hanoi

Side-by-side weather comparison for August

Vientiane: 30°CHanoi: 31°C477 km apart

August Weather: Vientiane vs Hanoi

MetricVientianeHanoiBetter
Average HighHigher is warmer30°C (86°F)31°C (88°F)Hanoi
Average LowHigher is milder24°C (75°F)25°C (77°F)Hanoi
Rain DaysFewer is drier28 days23 daysHanoi
PrecipitationLess is drier415 mm320 mmHanoi
Sunshine HoursMore is sunnier7h/day8h/dayHanoi
HumidityLower is more comfortable78%78%Tie
UV IndexLower is safer99Tie
Wind SpeedCalmer is better10 km/h11 km/hVientiane

Which City is Better in August?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Hanoi edges ahead as the better destination in August. Hanoi offers 8 hours of daily sunshine with only 23 rain days, while Vientiane sees 7 sunshine hours and 28 rain days.

Vientiane can feel quite hot at 30°C, so plan for heat. Hanoi runs hot at 31°C.

For travelers who prioritize dry weather, Hanoi is the stronger choice in August. Hanoi receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in August

Vientiane reaches an average high of 30°C (86°F) and drops to 24°C (75°F) at night during August. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Hanoi averages 31°C (88°F) for the high and 25°C (77°F) for the low, with a daily range of 6°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in August.

Rainfall Comparison in August

Vientiane receives approximately 415 mm of rainfall across 28 rain days during August. Rain is frequent, so waterproof gear is essential.

Hanoi sees 320 mm over 23 rain days. That makes Hanoi the drier option by 5 rain days and 95 mm of total precipitation.

Both cities share similar humidity levels at 78%.

What to Pack: Vientiane vs Hanoi

Packing for Vientiane in August

Highs of 30°C, lows of 24°C, 28 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Packing for Hanoi in August

Highs of 31°C, lows of 25°C, 23 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during August.

Year-Round Comparison: Vientiane vs Hanoi

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.August is highlighted for quick reference.

MonthVientianeHanoi
HighRainHighRain
Jan27°C2d20°C8d
Feb30°C2d22°C8d
Mar32°C6d25°C11d
Apr34°C11d29°C11d
May32°C23d31°C17d
Jun30°C26d33°C19d
Jul30°C28d32°C21d
Aug30°C28d31°C23d
Sep30°C24d30°C19d
Oct29°C11d28°C12d
Nov29°C3d25°C7d
Dec27°C1d21°C7d
30°

Vientiane Weather in August

Full forecast, packing tips, and activities

31°

Hanoi Weather in August

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Vientiane warmer than Hanoi in August?
No. In August, Hanoi is warmer with an average high of 31°C (88°F) compared to Vientiane at 30°C (86°F), a difference of 1°C.
Which city gets more rain in August, Vientiane or Hanoi?
Vientiane gets more rain in August with 28 rain days and 415 mm of precipitation. Hanoi is the drier option with 23 rain days.
Is it better to visit Vientiane or Hanoi in August?
It depends on your preferences. Vientiane averages 30°C and 7 hours of daily sunshine with 28 rain days. Hanoi averages 31°C with 8 sunshine hours and 23 rain days. If you prefer cooler conditions, choose Hanoi. For fewer rain days, Hanoi is the better pick.
How far apart are Vientiane and Hanoi?
Vientiane and Hanoi are approximately 477 km (296 miles) apart. Vientiane is located in Laos (Asia) while Hanoi is in Vietnam (Asia).
What is the best month to visit Vientiane and Hanoi?
For Vientiane, April tends to be the best month with 11 hours of daily sunshine and a high of 34°C. For Hanoi, October is typically ideal with 8 sunshine hours and 28°C highs.

Compare Vientiane and Hanoi in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Vientiane coordinates: 17.98°N, 102.63°E | Hanoi coordinates: 21.03°N, 105.83°E