Vientiane UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index12.5
- Avg Clouds98%
- Max Temp31.5 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Vientiane, Laos 
will reach a high of 12.5 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-21
Hourly Forecast Chart
Today's Safety Tips
Extreme danger! Avoid being in the sun, especially during midday. If you go out, cover up with clothing, a hat, and sunglasses, and use plenty of sunscreen.
Vientiane's UV Index
The UV index in Vientiane can reach very high levels, especially from March to May, often peaking around 10 or 11. This means the sun’s rays are very strong during these months.
Weather Seasons
Vientiane has three main seasons: a hot season from March to May, a rainy season from May to October, and a cool season from November to February. The hottest months are April and May, while it rains most in July and August.
Vientiane's Climate
Compared to nearby countries like Thailand and Vietnam, Vientiane is usually hotter in the dry season but has similar heavy rains during the monsoon. It is a bit drier than some coastal parts of Vietnam.
Hourly UV Index Trend
See the UV index hour by hour for Vientiane. When the level is high, it's smart to find some shade.
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