Last updated: July 2, 2025
In Khlong Hoi Khong, Thailand, awareness of the UV Index is crucial for both residents and visitors alike. Understanding daily UV levels can play a significant role in sunburn prevention and maintaining long-term skin health, especially in this tropical climate where sunlight intensity can reach dangerous levels. With peak readings frequently hitting 11 to 13 between 11:00 AM and 1:00 PM, the risk of harmful UV exposure is heightened, making it essential to take protective measures during these hours. Equip yourself with knowledge about the UV Index to enjoy the sun safely while exploring the beauty of Khlong Hoi Khong!
The UV Index for the day showcases a stark rise in intensity as the hours progress. Starting early at 07:00 with a mild reading of 1, it quickly escalates by 10:00 to a noteworthy 8, peaking at 12:00 with an impressive 13. The midday sun is relentless, reaching its zenith at 11:00, clocking in at an intense 11. As the afternoon rolls in, values begin to decline; a gradual drop to 10 by 14:00 signals the end of peak UV exposure. The late afternoon brings further relief, with readings falling to 4 by 16:00, eventually tapering off to 1 by 17:00 and beyond. As the sun sets, the UV index fades out, with 19:00 seeing a complete drop to 0. Stay safe and sun-smart during those 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 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index remains consistently high, reaching extreme levels from January to November, with values peaking at 15 in March and April. The risk of skin damage is significant, as the burn time is consistently limited to just 10 minutes. The months of February, March, April, May, August, September, and October are particularly high-risk, maintaining UV Index scores of 14 or higher. Residents and visitors are strongly advised to take precautions during these months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade whenever possible. Staying vigilant about UV exposure is essential to protect skin health 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 |
| Khlong Hoi Khong | 12 | 14 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 14 | 12 | 11 |