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Koh Tao UV Index Today

Day Summary

The UV index in Koh Tao, Thailand Flag of Thailand will reach a high of 10.2 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!

Last checked: 2025-10-22

Hourly Forecast Chart

Today's Safety Tips

The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.

Koh Tao's UV Index

The UV index in Koh Tao is generally high, especially from March to May, often reaching levels above 10, which means strong sunlight exposure during midday hours.

Weather Seasons

UV index

Koh Tao has a tropical climate with a hot season from March to May, a rainy season from June to October, and a cooler, dry season from November to February.

Koh Tao's Climate

Compared to mainland Thailand, Koh Tao is more humid and experiences more rain during the monsoon season. Its weather is warmer and wetter than neighboring countries like Vietnam and Cambodia.

Hourly UV Index Trend

See the UV index hour by hour for Koh Tao. When the level is high, it's smart to find some shade.

Disclaimer

* The information on this page about the UV index in Koh Tao is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.