Weather Comparison
Hanoi vs Vientiane
Side-by-side weather comparison for December
December Weather: Hanoi vs Vientiane
| Metric | Hanoi | Vientiane | Better |
|---|---|---|---|
| Average HighHigher is warmer | 21°C (70°F) | 27°C (81°F)▲ | Vientiane |
| Average LowHigher is milder | 14°C (57°F) | 17°C (63°F)▲ | Vientiane |
| Rain DaysFewer is drier | 7 days | 1 days▲ | Vientiane |
| PrecipitationLess is drier | 35 mm | 8 mm▲ | Vientiane |
| Sunshine HoursMore is sunnier | 5h/day | 10h/day▲ | Vientiane |
| HumidityLower is more comfortable | 78% | 78% | Tie |
| UV IndexLower is safer | 3 | 3 | Tie |
| Wind SpeedCalmer is better | 12 km/h | 11 km/h▲ | Vientiane |
Which City is Better in December?
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 5 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 5 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in December
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.
Rainfall Comparison 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%.
What to Pack: Hanoi vs Vientiane
Packing for Hanoi in December
Highs of 21°C, lows of 14°C, 7 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
- ✓a packable rain jacket
- ✓an umbrella
- ✓moisture-wicking fabrics
Packing for Vientiane in December
Highs of 27°C, lows of 17°C, 1 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
- ✓moisture-wicking fabrics
Pack for both: light layers, a light jacket for evenings, sunscreen, moisture-wicking fabrics. These items are useful in either destination during December.
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.December is highlighted for quick reference.
| Month | Hanoi | Vientiane | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 20°C | 8d | 27°C | 2d |
| Feb | 22°C | 8d | 30°C | 2d |
| Mar | 25°C | 11d | 32°C | 6d |
| Apr | 29°C | 11d | 34°C | 11d |
| May | 31°C | 17d | 32°C | 23d |
| Jun | 33°C | 19d | 30°C | 26d |
| Jul | 32°C | 21d | 30°C | 28d |
| Aug | 31°C | 23d | 30°C | 28d |
| Sep | 30°C | 19d | 30°C | 24d |
| Oct | 28°C | 12d | 29°C | 11d |
| Nov | 25°C | 7d | 29°C | 3d |
| Dec | 21°C | 7d | 27°C | 1d |
Hanoi Weather in December
Full forecast, packing tips, and activities
Vientiane Weather in December
Full forecast, packing tips, and activities