Vientiane vs Hanoi

Vientiane and Hanoi are closely matched in December. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Vientiane sits in the comfortable travel range at 28°C. Hanoi is also comfortable at 21°C.

For travelers who prioritize dry weather, Vientiane is the stronger choice in December. Hanoi receives 5 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Vientiane reaches an average high of 28°C (82°F) and drops to 21°C (70°F) at night during December. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Hanoi averages 21°C (70°F) for the high and 14°C (57°F) for the low, with a daily range of 7°C. There is a notable 7°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 December.

Vientiane receives approximately 70 mm of rainfall across 6 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Hanoi sees 35 mm over 7 rain days. That makes Vientiane the drier option by 1 rain day and 35 mm of total precipitation.

Both cities share similar humidity levels at 78%.