Last updated: July 2, 2025
Understanding the UV Index in Thong Pha Phum, Thailand is crucial for safeguarding your skin while enjoying the region’s beautiful climate. With its tropical fusion of sun and humidity, this area experiences varying UV levels throughout the day, peaking dramatically from 10 AM to 2 PM with readings reaching as high as 14. Recognizing these UV levels not only helps in preventing sunburn but also plays a vital role in long-term skin health. By being aware of the UV Index, you'll be better equipped to protect yourself from the sun's harmful rays, ensuring that your time outdoors remains safe and enjoyable.
As the day breaks, the UV Index begins at a cautious 1 at 07:00, indicating low risk for sun exposure. By 08:00, it climbs to 3, prompting some to consider a light sunscreen. The intensity picks up significantly by 09:00 with a 5, warning us that the sun's rays are becoming more potent. At 10:00, the UV Index peaks at an exhilarating 9, signifying a very high risk of harm from unprotected sun exposure. The sun is at its strongest between 11:00 and 13:00, where it reaches a staggering 14, urging everyone to seek shade and lavish on the sunscreen. As the afternoon unfolds, the readings begin to descend, dropping to 12 at 14:00 and gradually tapering down to 8 at 15:00. The evening brings relief, with the Index falling to 5 by 16:00, and dwindling to 2 at 17:00. As daylight fades, the UV risk decreases to a safe 1 at 18:00 before finally retiring to 0 by 19:00. Stay sun-smart!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 12 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the UV Index fluctuates throughout the year, locals and visitors need to remain vigilant, especially during the high-risk months of February through September when the index reaches extreme levels of 13 to 15, indicating a burn time as short as 10 minutes. March to August consistently shows a high UV risk, with indices peaking at 14 to 15. Conversely, January, November, and December present a slightly lower UV risk, classified as very high, but still require caution with burn times of 15 minutes in January and November. It is essential for everyone to protect their skin with appropriate clothing, sunscreen, and limited sun exposure during these peak months.
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 |
| Chon Buri UVI | 10 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 10 | 9 |
| Thong Pha Phum | 10 | 13 | 14 | 14 | 15 | 14 | 14 | 15 | 14 | 13 | 10 | 9 |