Last updated: May 3, 2025
Understanding the UV Index in Tha Phae, Thailand is crucial for safeguarding your skin and overall health. With the region's hot tropical climate and high elevation, UV levels can soar, particularly between 10 a.m. and 2 p.m., peaking at a staggering 14. Recognizing these levels is essential in preventing sunburn and long-term skin damage, especially if you plan on enjoying outdoor activities. By staying informed about UV exposure risks, you can take proactive steps to protect yourself and make your experience in this beautiful locale even more enjoyable. Don't underestimate the power of the sun—awareness is your best defense!
As the sun rises, the UV Index gradually climbs, reaching its peak during the midday hours. At 07:00, the index starts at a mild 1, but by 09:00, it has risen to a moderate 6. The true intensity hits at 11:00 with a sharp increase to 13, and just an hour later, it reaches its maximum of 14 at 12:00 and 13:00—a clear indication to take sun safety precautions. As the afternoon progresses, from 14:00 onward, the index begins to decline down to 11 at 14:00, then 7 at 15:00, and gently fades back to a low 1 by 17:00. By 19:00, exposure becomes negligible with a UV Index of 0. Overall, this data highlights the importance of protecting your skin during those peak hours when the UV rays are most intense.
| 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 | 14 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 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 |
The UV Index exhibits extremely high levels throughout most of the year, peaking in February, March, and April with an index of 15, urging caution for any outdoor activities. Notably, January and February maintain an index of 13, emphasizing the need for protection against harmful UV rays during these winter months. Despite slightly lower readings in November and December, the UV Index remains concerning at 12. All year round, the burn time remains alarmingly short at just 10 minutes, signaling that both visitors and residents should prioritize sun safety. It's essential to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sunlight hours, particularly from February to April when the risk is highest.
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 |
| Tha Phae | 13 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 12 | 12 |