Ko Lanta Yai UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index12.3
- Avg Clouds100%
- Max Temp29.5 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Ko Lanta Yai, Thailand 
will reach a high of 12.3 today. This means a extreme level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-01
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.
Ko Lanta Yai's UV Index
The UV index in Ko Lanta Yai is often high, especially between March and May, reaching levels around 10 or more. During other months, it ranges from moderate to high, around 5 to 9.
Weather Seasons
Ko Lanta Yai has a tropical climate with three main seasons: a hot season from March to May, a rainy monsoon season from June to October, and a cooler dry season from November to February. Rainfall is heaviest during the monsoon months.
Ko Lanta Yai's Climate
Compared to mainland Thailand, Ko Lanta Yai is slightly cooler during the dry season due to sea breezes. It generally has less extreme temperatures than northern Thailand. Neighboring countries like Malaysia share similar tropical conditions, but Ko Lanta Yai is less rainy than some Malaysian west coast areas.
Hourly UV Index Trend
See the UV index hour by hour for Ko Lanta Yai. When the level is high, it's smart to find some shade.
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