Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Xaysetha, Laos, where the combination of its tropical climate and high sun exposure can pose significant risks for skin health. With UV levels peaking dramatically at 14 during midday, the likelihood of sunburn and long-term skin damage increases substantially. Being aware of the UV Index provides essential insights for sun protection, enabling individuals to enjoy outdoor activities safely while minimizing health risks. As you navigate the sunny days in Xaysetha, keeping an eye on these UV levels is key to safeguarding your skin and overall well-being.
As the sun rises, the UV Index starts at a moderate level of 2 at 7 AM, gradually increasing to a peak of 14 by noon. The intensity is most striking at 11 AM and 12 PM, where exposure becomes critical. After this time, the index begins a gradual decline, dropping to 10 at 2 PM and continuing downwards to a mere 1 by 5 PM. Sun-seekers and outdoor enthusiasts should be especially cautious from 9 AM to 1 PM when the UV levels are at their highest, reaching their zenith with an extreme 11 at 10 AM. Remember to protect your skin under this midday sun!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 11 | extreme | 10 min |
11:00 | 14 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 6 | 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 significant seasonal fluctuations, peaking during the spring and summer months. From February through November, UV levels remain in the extreme category, with March and April reaching a high of 15. The month of February shows a notable increase, starting at 13, which signals a high risk for sunburn, particularly as burn times shrink to just 10 minutes. Visitors and residents are advised to take precautions—such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade—to mitigate sun exposure, especially during these high-risk months, which extend from February to November. January and December provide slight relief, with lower UV indices, but still recommend vigilance, particularly in January with a UV index of 10.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Luang Prabang UVI | 9 | 11 | 13 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 10 | 8 |
Vientiane UVI | 9 | 11 | 13 | 14 | 14 | 13 | 14 | 14 | 14 | 12 | 9 | 8 |
Thakhek UVI | 9 | 11 | 13 | 15 | 14 | 13 | 15 | 14 | 14 | 12 | 10 | 9 |
Savannakhet UVI | 10 | 12 | 14 | 14 | 14 | 13 | 15 | 14 | 14 | 12 | 10 | 9 |
Pakse UVI | 10 | 13 | 14 | 15 | 14 | 13 | 15 | 14 | 14 | 12 | 10 | 9 |
Xaysetha | 10 | 13 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 11 | 9 |