Hanoi vs Vientiane

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Vientiane edges ahead as the better destination in December. Vientiane offers 10 hours of daily sunshine with only 1 rain days, while Hanoi sees 6 sunshine hours and 7 rain days.

Hanoi sits in the comfortable travel range at 21°C. Vientiane is also comfortable at 27°C.

For travelers who prioritize dry weather, Vientiane is the stronger choice in December. Vientiane receives 4 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Hanoi reaches an average high of 21°C (70°F) and drops to 14°C (57°F) at night during December. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Vientiane averages 27°C (81°F) for the high and 17°C (63°F) for the low, with a daily range of 10°C. There is a notable 6°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.

Hanoi receives approximately 35 mm of rainfall across 7 rain days during December. Rain is occasional, so a light rain jacket should suffice.

Vientiane sees 8 mm over 1 rain days. That makes Vientiane the drier option by 6 rain days and 27 mm of total precipitation.

Both cities share similar humidity levels at 78%.