Hanoi vs Vientiane

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.

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

Hanoi reaches an average high of 31°C (88°F) and drops to 25°C (77°F) at night during August. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.

Vientiane averages 30°C (86°F) for the high and 24°C (75°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.

Hanoi receives approximately 320 mm of rainfall across 23 rain days during August. Rain is frequent, so waterproof gear is essential.

Vientiane sees 415 mm over 28 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%.