Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Thai Charoen, Thailand, where the sun's intensity can reach alarming levels. With a tropical climate characterized by high temperatures and ample sunshine, being aware of UV levels is vital for preventing sunburn, protecting skin health, and reducing the risk of long-term damage. The UV Index in Thai Charoen can spike dramatically throughout the day, peaking at a staggering 15 around noon, reminiscent of the region's intense midday sun. By knowing when to seek shade or apply sunscreen, you can safeguard your skin while enjoying the beautiful Thai outdoors.
The UV Index presents a fascinating hourly journey throughout the day. It begins gently at 1 at 07:00, but as the sun climbs higher, the intensity peaks dramatically. By 10:00, it hits 11, and the sun is truly bearing down, reaching a maximum of 15 at 12:00. The afternoon sees a slight decline, with values addressing safety as we pass 14:00 at 10 and descend to 3 by 16:00. Finally, as the day winds down, the UV Index dips back to 1 by 17:00, and then fades to 0 as the sun sets at 19:00. It's a vivid reminder to embrace sun safety during the brightest parts of the day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 15 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, UV Index levels exhibit significant seasonal fluctuations, with the highest readings occurring between February and July, where the index remains consistently in the extreme category (10-15), indicating a burn time of just 10 minutes. Notably, April, May, and July show the peak UV Index of 15, marking them as critical months for sun exposure. The high-risk months for UV exposure are therefore identified as February through July, suggesting that visitors and residents should take extra precautions during this period by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. Conversely, November and December see a decrease in UV levels, transitioning to a very high category with prolonged burn times of 15 minutes, though caution is still advised, especially during peak sunlight.
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 |
| Thai Charoen | 10 | 13 | 14 | 15 | 15 | 13 | 15 | 14 | 14 | 12 | 10 | 9 |