UV Index in Ko Chang Tai, Thailand

Last updated: July 2, 2025

In Ko Chang Tai, Thailand, being aware of the UV Index is crucial for maintaining your skin's health and preventing sunburn. With its tropical climate, this beautiful island experiences high UV exposure, especially during midday hours when the index can soar to a maximum of 14. Understanding these UV levels empowers you to take necessary precautions to protect yourself from harmful radiation. Whether you're lounging on the beach or exploring the outdoors, staying informed about the UV Index can help you enjoy the sun safely and ensure a healthier experience in this stunning locale.

Hourly UV Index in Ko Chang Tai

Starting the day at a mild UV Index of 1 at 7:00 AM, the sun gradually climbs its way to peak intensity. By 10:00 AM, the index hits a striking 10, climbing to its maximum of 14 at noon, presenting a high risk of harm from unprotected sun exposure. As the afternoon progresses, the UV levels remain elevated at 13 from 12:00 to 1:00 PM but then begin to taper off by 3:00 PM, dropping to 7. The evening brings a significant decrease, with the index falling back to 1 by 5:00 PM and fading into 0 as the sun sets at 7:00 PM. It's essential to take precautions during those peak hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	10	very high	15 min
11:00	13	extreme	10 min
12:00	14	extreme	10 min
13:00	13	extreme	10 min
14:00	11	extreme	10 min
15:00	7	high	25 min
16:00	4	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Ko Chang Tai

The UV Index exhibits extreme levels from January through October, with the highest values occurring in March and April at 15. This creates a consistently high-risk environment for UV exposure, where the recommended burn time is just 10 minutes across these months. May, July, August, and September also register significant UV levels of 14, indicating that residents and visitors should maintain vigilant sun safety practices. November and December see a slight decrease in UV intensity, dropping to 11 and 10 respectively, yet remain within the very high category, allowing for a burn time of 15 minutes. For optimal safety, it is critical for individuals to take precautions—such as wearing sunscreen, protective clothing, and seeking shade—especially during the high-risk months from January to October.

Monthly Maximum UV Index for Ko Chang Tai, Thailand

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Ko Chang Tai. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Ko Chang Tai, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Ko Chang Tai UV Index with Other Thailand Cities

The table above highlights how UV exposure in Ko Chang Tai compares to other major locations across Thailand. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Ko Chang Tai's solar exposure compared to other cities in Thailand. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mueang Nonthaburi UVI	10	12	14	13	14	13	14	14	13	12	9	8
Samut Prakan UVI	10	12	14	13	14	13	14	14	13	12	9	8
Bangkok UVI	10	12	14	13	14	13	14	14	13	12	9	8
Udon Thani UVI	9	11	13	14	14	13	14	14	14	12	10	9
Chon Buri UVI	10	13	14	14	14	13	14	14	13	13	10	9
Ko Chang Tai	11	13	15	15	14	13	14	14	14	13	11	10