Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents and visitors of Sung Men, Thailand, where the tropical climate can expose individuals to high levels of ultraviolet radiation. With maximum UV levels peaking at 14 around midday, awareness of UV exposure is essential for preventing sunburn and protecting skin health. In this sun-drenched locale, where the Aw climate brings bright, sunny days year-round, understanding how UV levels fluctuate throughout the day empowers you to enjoy the outdoors safely and stay health-conscious. Knowing when to seek shade or apply sunscreen can make all the difference in maintaining radiant skin and avoiding long-term damage.
As the sun rises, the UV Index begins at a gentle 1 at 7:00 AM, perfect for a morning stroll. By 8:00 AM, it ramps up to 3, a signal to start thinking about sun protection. The real intensity kicks in at 9:00 AM, with a sharp rise to 6, marking a transition to more serious UV exposure. The peak of the day comes at 12:00 PM and 1:00 PM, where the UV Index soars to a striking 14—what a powerful reminder to seek shade and apply sunscreen! As the afternoon progresses, the index gradually declines; by 4:00 PM, it drops to 4, and by 6:00 PM, it returns to a mild 1. Finally, as the day winds down, the UV index dips to 0 by 7:00 PM, signaling a safe end to outdoor activities. Stay aware and enjoy the sunshine responsibly!
| 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 | 9 | very high | 15 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 14 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 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, the UV Index experiences significant seasonal changes, with particularly high levels occurring from February to October. The highest indices of 12 to 14 (categorized as extreme) are recorded from March to September, with April, May, July, August, and September standing out as the months when caution is most crucial, with a burn time of just 10 minutes. By contrast, January and November show a very high UV Index of 9, while December drops slightly to 8. Residents and visitors should be especially vigilant during the spring and summer months, taking necessary precautions such as wearing protective clothing, applying sunscreen frequently, and 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sung Men | 9 | 11 | 12 | 13 | 14 | 13 | 14 | 14 | 14 | 13 | 9 | 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 |