Weather Comparison
Hanoi vs Vientiane
Side-by-side weather comparison for January
January Weather: Hanoi vs Vientiane
| Metric | Hanoi | Vientiane | Better |
|---|---|---|---|
| Average HighHigher is warmer | 20°C (68°F) | 27°C (81°F)▲ | Vientiane |
| Average LowHigher is milder | 13°C (55°F) | 17°C (63°F)▲ | Vientiane |
| Rain DaysFewer is drier | 8 days | 2 days▲ | Vientiane |
| PrecipitationLess is drier | 41 mm | 10 mm▲ | Vientiane |
| Sunshine HoursMore is sunnier | 4h/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 January?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Vientiane edges ahead as the better destination in January. Vientiane offers 10 hours of daily sunshine with only 2 rain days, while Hanoi sees 4 sunshine hours and 8 rain days.
Hanoi sits in the comfortable travel range at 20°C. Vientiane is also comfortable at 27°C.
For travelers who prioritize dry weather, Vientiane is the stronger choice in January. Vientiane receives 6 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Temperature Comparison in January
Hanoi reaches an average high of 20°C (68°F) and drops to 13°C (55°F) at night during January. 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 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 January.
Rainfall Comparison in January
Hanoi receives approximately 41 mm of rainfall across 8 rain days during January. You can expect rain roughly every other day.
Vientiane sees 10 mm over 2 rain days. That makes Vientiane the drier option by 6 rain days and 31 mm of total precipitation.
Both cities share similar humidity levels at 78%.
What to Pack: Hanoi vs Vientiane
Packing for Hanoi in January
Highs of 20°C, lows of 13°C, 8 rain days
- ✓light layers
- ✓a light jacket for evenings
- ✓sunscreen
- ✓a packable rain jacket
- ✓an umbrella
- ✓moisture-wicking fabrics
Packing for Vientiane in January
Highs of 27°C, lows of 17°C, 2 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 January.
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.January 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 January
Full forecast, packing tips, and activities
Vientiane Weather in January
Full forecast, packing tips, and activities