Vientiane Weather in July
Laos · 30-year monthly averages
⚠️ Challenging time to visit
July in Vientiane is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 25°C (78°F). Expect roughly 300mm of precipitation spread over about 20 rainy days, and heavy rainfall is common — this is peak wet season territory.
Avg high
32°C
89°F
Avg low
25°C
78°F
Rainfall
300mm
very wet
Rainy days
20
days with ≥1mm
☀️ About 116 hours of sunshine over the month (~4h/day).
🎒 What to pack
- breathable summer clothing
- sunscreen, hat and sunglasses
- refillable water bottle
- compact umbrella or rain jacket
July vs the rest of the year
FAQ
- How hot is Vientiane in July?
- July in Vientiane is hot, with average daytime highs around 32°C (89°F) and nighttime lows near 25°C (78°F). Expect roughly 300mm of precipitation spread over about 20 rainy days, and heavy rainfall is common — this is peak wet season territory.
- Does it rain a lot in Vientiane in July?
- Vientiane sees around 300mm of precipitation in July on average — very wet by global standards.
- Is July a good time to visit Vientiane?
- July is a challenging month to visit Vientiane weather-wise — plan around the conditions.