Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Kong Ra, Thailand, where the sun's intensity can escalate rapidly throughout the day. With UV levels peaking at a staggering 13 around noon, awareness is key to preventing sunburn and protecting skin health. Kong Ra's tropical climate brings frequent sunny days, making it vital for everyone to monitor UV exposure and take appropriate precautions. By staying informed about the daily UV Index, you can enjoy the beautiful outdoor lifestyle of Kong Ra while safeguarding your skin against harmful UV rays.
As the sun rises, the UV Index begins its ascent, starting at a low of 1 at 07:00. By 08:00, it gently climbs to 2, setting the stage for the day's peak. A steady increase brings us to 5 by 09:00, but the real intensity hits at 10:00, with the UV Index soaring to 8. The midday sun reaches its zenith at 11:00, where we peak at 11, and it continues to blaze at 12:00 with a staggering 13. As the afternoon sets in, the index begins its descent, recording 12 at 13:00 and gradually tapering off to 10 at 14:00. By 15:00, it slips down to 7, then further declines to 4 at 16:00. After a reprieve, the index drops to 2 at 17:00, finally settling back to a tranquil 1 by 18:00 and 0 at 19:00. This ebb and flow of the UV Index serves as a reminder of the sun’s powerful grip throughout the day, urging us to stay protected during the peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 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 Index levels demonstrate a consistent pattern of extreme exposure, particularly from January to October, where the index consistently ranges between 11 and 16. The high-risk months for UV exposure are from January to May, with March peaking at an index of 16. Although the intensity slightly diminishes in the summer months, June through August maintain high levels at 13 to 14. Visitors and residents should be particularly vigilant during these months, ensuring to limit sun exposure, wear protective clothing, and apply sunscreen every 10 minutes to prevent harmful effects. With the UV Index remaining high into the fall, it remains crucial to prioritize sun safety year-round.
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 |
| Kong Ra | 12 | 14 | 16 | 15 | 14 | 13 | 13 | 14 | 14 | 14 | 12 | 11 |