Weather Comparison
Side-by-side weather comparison for June
| Metric | Hanoi | Vientiane | Better |
|---|---|---|---|
| Average HighHigher is warmer | 33°C (91°F)▲ | 32°C (90°F) | Hanoi |
| Average LowHigher is milder | 26°C (79°F)▲ | 25°C (77°F) | Hanoi |
| Rain DaysFewer is drier | 19 days | 18 days▲ | Vientiane |
| PrecipitationLess is drier | 228 mm | 210 mm▲ | Vientiane |
| Sunshine HoursMore is sunnier | 8h/day▲ | 7h/day | Hanoi |
| HumidityLower is more comfortable | 78% | 78% | Tie |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 12 km/h▲ | 15 km/h | Hanoi |
Hanoi and Vientiane are closely matched in June. 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.
Hanoi can feel quite hot at 33°C, so plan for heat. Vientiane runs hot at 32°C.
For travelers who prioritize dry weather, Vientiane is the stronger choice in June. Hanoi receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Hanoi reaches an average high of 33°C (91°F) and drops to 26°C (79°F) at night during June. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Vientiane averages 32°C (90°F) for the high and 25°C (77°F) for the low, with a daily range of 7°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 June.
Hanoi receives approximately 228 mm of rainfall across 19 rain days during June. Rain is frequent, so waterproof gear is essential.
Vientiane sees 210 mm over 18 rain days. That makes Vientiane the drier option by 1 rain day and 18 mm of total precipitation.
Both cities share similar humidity levels at 78%.
Highs of 33°C, lows of 26°C, 19 rain days
Highs of 32°C, lows of 25°C, 18 rain days
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during June.
The table below shows average high temperatures and rain days for every month. June is highlighted for quick reference.
| Month | Hanoi | Vientiane | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 20°C | 8d | 28°C | 7d |
| Feb | 22°C | 8d | 29°C | 9d |
| Mar | 25°C | 11d | 30°C | 12d |
| Apr | 29°C | 11d | 31°C | 15d |
| May | 31°C | 17d | 32°C | 17d |
| Jun | 33°C | 19d | 32°C | 18d |
| Jul | 32°C | 21d | 32°C | 17d |
| Aug | 31°C | 23d | 31°C | 15d |
| Sep | 30°C | 19d | 30°C | 12d |
| Oct | 28°C | 12d | 29°C | 9d |
| Nov | 25°C | 7d | 28°C | 7d |
| Dec | 21°C | 7d | 28°C | 6d |
Hanoi Weather in June
Full forecast, packing tips, and activities
Vientiane Weather in June
Full forecast, packing tips, and activities