Last updated: July 2, 2025
In Chian Yai, Thailand, being aware of the UV Index is crucial for protecting your skin and ensuring long-term health. Understanding UV levels is key to preventing sunburn and reducing the risk of skin damage, especially given the region's tropical climate that exposes residents and visitors to high UV radiation, particularly during midday hours. From a UV Index peak of 13 at noon, it’s vital to stay informed about the sun’s intensity to make safe choices about sun exposure, whether you're enjoying outdoor activities or simply going about your day. By keeping an eye on the UV Index, you can effectively safeguard your skin and enjoy all that Chian Yai has to offer while minimizing health risks.
The UV Index today reached its peak intensity during the midday hours, with levels soaring to a striking 13 at both 12:00 PM and 1:00 PM. As the sun rose, the index started off modestly at 1 at 7:00 AM, gradually climbing to 5 by 9:00 AM. By 10:00 AM, it jumped to 9 and continued its ascent, hitting 12 at 11:00 AM. After reaching its zenith, the index began to decline, sliding to 10 at 2:00 PM before tapering off to 4 by 4:00 PM and dwindling to 0 shortly after sunset at 7:00 PM. This fluctuation highlights the importance of sun protection during peak hours when UV exposure is highest!
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 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 13 | extreme | 10 min |
13:00 | 13 | 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 |
Chian Yai | 12 | 14 | 16 | 15 | 14 | 13 | 13 | 14 | 14 | 14 | 12 | 11 |