Last updated: July 2, 2025
In Kaeng Sanam Nang, Thailand, awareness of the UV Index is crucial for maintaining healthy skin and preventing sunburn. This tropical region experiences significant UV exposure, especially during midday hours, when levels can reach a staggering 14. Understanding these UV levels helps residents and visitors take proactive measures to protect themselves, such as applying sunscreen or seeking shade during peak times. With a climate classified as Aw, characterized by warm temperatures and high sunshine, being informed about UV risks is essential for enjoying the outdoors safely while prioritizing skin 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 |
Throughout the year, UV levels display notable seasonal changes, reaching their peak from March to October, where the UV Index consistently registers between 13 and 14, categorized as extreme. The highest risk months are February through September, with a maximum UV Index of 14 in March, April, July, August, and September, indicating a burn time of just 10 minutes for unprotected skin. During January, November, and December, while still categorized as very high, the UV Index decreases to 9 and 10, allowing for a slightly longer burn time of 15 minutes. Visitors and residents are strongly advised to take precautions during the peak months by wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade when the sun is strongest, typically between 10 a.m. and 4 p.m. to minimize the risk of skin damage.
UV Risk Categories
| 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 |
| Kaeng Sanam Nang | 9 | 12 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 10 | 9 |
| Chon Buri UVI | 10 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 10 | 9 |