Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Wiang Kaen, Thailand, where the intense tropical sun can expose you to harmful ultraviolet radiation. Recognizing UV levels is essential for sunburn prevention and maintaining skin health, especially during peak hours when the UV Index skyrockets to a maximum of 14 around noon. With Wiang Kaen's tropical climate leading to high UV exposure risks nearly all year round, being aware of the daily UV Index not only helps you enjoy the sun safely but also empowers you to take necessary precautions to protect your skin and overall health.
The UV Index today offers a clear picture of solar intensity as the day unfolds. Starting with a calm 1 at 7:00 AM, the sun's rays begin to strengthen, reaching 3 by 8:00 AM. The peak intensity hits at 12:00 PM, soaring to an impressive 14, indicating a strong need for sun protection. As the afternoon progresses, it gradually decreases, dropping to 4 by 4:00 PM and winding down to 1 by 6:00 PM. By 7:00 PM, the UV Index retreats to 0, showcasing the significant daily variation in UV exposure. It's essential to stay alert during those peak hours, especially between 10:00 AM and 1:00 PM, when UV radiation poses the greatest risk!
| 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index data reveals a distinct seasonal pattern, with extreme levels predominantly occurring from March to October, peaking at 14 in May, July, August, and September. High-risk months include March, April, May, July, August, September, and October, where the burn time is dramatically reduced to just 10 minutes. From January to February and in November and December, while the UV Index remains very high (ranging from 8 to 10), the burn time extends to 15 minutes. Visitors and residents are advised to take extra precautions during the spring and summer months by wearing appropriate sun protection, including sunscreen, hats, and sunglasses, and by seeking shade during peak hours to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wiang Kaen | 9 | 10 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 13 | 10 | 8 |
| 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 |