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Weather Comparison

Hanoi vs Vientiane

Side-by-side weather comparison for April

Hanoi: 29°CVientiane: 34°C477 km apart

April Weather: Hanoi vs Vientiane

MetricHanoiVientianeBetter
Average HighHigher is warmer29°C (84°F)34°C (93°F)Vientiane
Average LowHigher is milder22°C (72°F)24°C (75°F)Vientiane
Rain DaysFewer is drier11 days11 daysTie
PrecipitationLess is drier102 mm68 mmVientiane
Sunshine HoursMore is sunnier7h/day11h/dayVientiane
HumidityLower is more comfortable78%78%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better14 km/h11 km/hVientiane

Which City is Better in April?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Vientiane edges ahead as the better destination in April. Vientiane offers 11 hours of daily sunshine with only 11 rain days, while Hanoi sees 7 sunshine hours and 11 rain days.

Hanoi can feel quite hot at 29°C, so plan for heat. Vientiane runs hot at 34°C.

For travelers who prioritize dry weather, both cities are equally dry in April. Vientiane receives 4 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in April

Hanoi reaches an average high of 29°C (84°F) and drops to 22°C (72°F) at night during April. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Vientiane averages 34°C (93°F) for the high and 24°C (75°F) for the low, with a daily range of 10°C. There is a notable 5°C gap between the two cities, so expect a very different feel.

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

Rainfall Comparison in April

Hanoi receives approximately 102 mm of rainfall across 11 rain days during April. You can expect rain roughly every other day.

Vientiane sees 68 mm over 11 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 78%.

What to Pack: Hanoi vs Vientiane

Packing for Hanoi in April

Highs of 29°C, lows of 22°C, 11 rain days

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

Packing for Vientiane in April

Highs of 34°C, lows of 24°C, 11 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 April.

Year-Round Comparison: Hanoi vs Vientiane

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.April is highlighted for quick reference.

MonthHanoiVientiane
HighRainHighRain
Jan20°C8d27°C2d
Feb22°C8d30°C2d
Mar25°C11d32°C6d
Apr29°C11d34°C11d
May31°C17d32°C23d
Jun33°C19d30°C26d
Jul32°C21d30°C28d
Aug31°C23d30°C28d
Sep30°C19d30°C24d
Oct28°C12d29°C11d
Nov25°C7d29°C3d
Dec21°C7d27°C1d
29°

Hanoi Weather in April

Full forecast, packing tips, and activities

34°

Vientiane Weather in April

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Hanoi warmer than Vientiane in April?
No. In April, Vientiane is warmer with an average high of 34°C (93°F) compared to Hanoi at 29°C (84°F), a difference of 5°C.
Which city gets more rain in April, Hanoi or Vientiane?
Both cities average 11 rain days in April with similar precipitation levels.
Is it better to visit Hanoi or Vientiane in April?
It depends on your preferences. Hanoi averages 29°C and 7 hours of daily sunshine with 11 rain days. Vientiane averages 34°C with 11 sunshine hours and 11 rain days. If you prefer cooler conditions, choose Vientiane. For fewer rain days, both are equal.
How far apart are Hanoi and Vientiane?
Hanoi and Vientiane are approximately 477 km (296 miles) apart. Hanoi is located in Vietnam (Asia) while Vientiane is in Laos (Asia).
What is the best month to visit Hanoi and Vientiane?
For Hanoi, October tends to be the best month with 8 hours of daily sunshine and a high of 28°C. For Vientiane, April is typically ideal with 11 sunshine hours and 34°C highs.

Compare Hanoi and Vientiane 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.

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