Last updated: July 2, 2025
Understanding the UV Index in Phran Kratai, Thailand is essential for protecting your skin health and preventing sunburn, especially given the region's tropical climate. With UV levels reaching a maximum of 14 around midday, awareness of daily fluctuations is crucial for outdoor activities. By grasping the risks associated with high UV exposure, residents and visitors can take proactive measures to enjoy the sun safely, ensuring fun in the vibrant landscapes of Phran Kratai while safeguarding their skin for the long term.
As the sun rises, the UV Index begins its ascent. At 07:00, it starts at a gentle 1, but by 08:00, it noticeably climbs to 3, signaling a gradual increase in sun exposure. The peak arrives at 12:00, hitting an intense 14—a time when protective measures are crucial. From 11:00 to 13:00, the index remains dangerously high, with 12 and 13 respectively, urging outdoor enthusiasts to seek shade. Gradually, the intensity subsides, dropping to 11 at 14:00 and further decreasing to 8 by 15:00. The evening brings relief, as the UV Index falls to 2 by 17:00, and diminishes to 1 at 18:00, finally settling at 0 by 19:00. This hourly fluctuation highlights the importance of staying vigilant about UV exposure throughout the day!
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 | 9 | very high | 15 min |
11:00 | 12 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 11 | extreme | 10 min |
15:00 | 8 | very high | 15 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 |
During the year, seasonal UV changes reveal a clear pattern, with the highest UV Index values occurring from February to September, peaking in May through August at a striking UV Index of 14. These months fall into the extreme exposure category, with a burn time of just 10 minutes. Conversely, high-risk months include February, March, April, May, June, July, August, September, and October, all categorized as extreme exposure with minimal burn times. Residents and visitors are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak hours to minimize the risk of UV-related harm. In contrast, November and December see a notable decrease in UV levels, categorizing them as very high, with slightly longer burn times of 15 minutes—still warranting cautious sun exposure.
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 |
Phran Kratai | 10 | 12 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 12 | 10 | 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 |