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Weather Comparison

Vientiane vs Chiang Mai

Side-by-side weather comparison for April

Vientiane: 34°CChiang Mai: 36°C395 km apart

April Weather: Vientiane vs Chiang Mai

MetricVientianeChiang MaiBetter
Average HighHigher is warmer34°C (93°F)36°C (97°F)Chiang Mai
Average LowHigher is milder24°C (75°F)24°C (75°F)Tie
Rain DaysFewer is drier11 days5 daysChiang Mai
PrecipitationLess is drier68 mm31 mmChiang Mai
Sunshine HoursMore is sunnier11h/day11h/dayTie
HumidityLower is more comfortable78%78%Tie
UV IndexLower is safer66Tie
Wind SpeedCalmer is better11 km/h10 km/hChiang Mai

Which City is Better in April?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Chiang Mai edges ahead as the better destination in April. Chiang Mai offers 11 hours of daily sunshine with only 5 rain days, while Vientiane sees 11 sunshine hours and 11 rain days.

Vientiane can feel quite hot at 34°C, so plan for heat. Chiang Mai runs hot at 36°C.

For travelers who prioritize dry weather, Chiang Mai is the stronger choice in April.

Temperature Comparison in April

Vientiane reaches an average high of 34°C (93°F) and drops to 24°C (75°F) at night during April. The daily temperature range is 10°C, meaning moderate variation throughout the day.

Chiang Mai averages 36°C (97°F) for the high and 24°C (75°F) for the low, with a daily range of 12°C. The 2°C difference is noticeable but not dramatic.

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

Rainfall Comparison in April

Vientiane receives approximately 68 mm of rainfall across 11 rain days during April. You can expect rain roughly every other day.

Chiang Mai sees 31 mm over 5 rain days. That makes Chiang Mai the drier option by 6 rain days and 37 mm of total precipitation.

Both cities share similar humidity levels at 78%.

What to Pack: Vientiane vs Chiang Mai

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

Packing for Chiang Mai in April

Highs of 36°C, lows of 24°C, 5 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • a packable rain jacket
  • an umbrella
  • moisture-wicking fabrics

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

Year-Round Comparison: Vientiane vs Chiang Mai

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.

MonthVientianeChiang Mai
HighRainHighRain
Jan27°C2d28°C1d
Feb30°C2d31°C1d
Mar32°C6d34°C2d
Apr34°C11d36°C5d
May32°C23d33°C14d
Jun30°C26d31°C20d
Jul30°C28d30°C23d
Aug30°C28d29°C25d
Sep30°C24d29°C24d
Oct29°C11d29°C16d
Nov29°C3d28°C4d
Dec27°C1d27°C2d
34°

Vientiane Weather in April

Full forecast, packing tips, and activities

36°

Chiang Mai Weather in April

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Vientiane warmer than Chiang Mai in April?
No. In April, Chiang Mai is warmer with an average high of 36°C (97°F) compared to Vientiane at 34°C (93°F), a difference of 2°C.
Which city gets more rain in April, Vientiane or Chiang Mai?
Vientiane gets more rain in April with 11 rain days and 68 mm of precipitation. Chiang Mai is the drier option with 5 rain days.
Is it better to visit Vientiane or Chiang Mai in April?
It depends on your preferences. Vientiane averages 34°C and 11 hours of daily sunshine with 11 rain days. Chiang Mai averages 36°C with 11 sunshine hours and 5 rain days. If you prefer cooler conditions, choose Chiang Mai. For fewer rain days, Chiang Mai is the better pick.
How far apart are Vientiane and Chiang Mai?
Vientiane and Chiang Mai are approximately 395 km (245 miles) apart. Vientiane is located in Laos (Asia) while Chiang Mai is in Thailand (Asia).
What is the best month to visit Vientiane and Chiang Mai?
For Vientiane, April tends to be the best month with 11 hours of daily sunshine and a high of 34°C. For Chiang Mai, February is typically ideal with 11 sunshine hours and 31°C highs.

Compare Vientiane and Chiang Mai 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 | Chiang Mai coordinates: 18.79°N, 98.99°E