Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Lamam, Laos, where the tropical climate can lead to significant sun exposure. With UV levels reaching a maximum of 15 around noon, being aware of these levels is essential for preventing sunburn and promoting skin health. High UV Index readings, especially between 10 AM and 2 PM, pose increased risks, making it imperative to take protective measures. As you enjoy the beautiful, sunny days in Lamam, keeping an eye on the UV Index will help you stay safe while basking in the warm, vibrant environment of this region.
At sunrise, the UV Index starts at a mild 2 at 07:00, gradually climbing to 4 by 08:00. As the sun rises higher, the intensity peaks sharply at 15 around 12:00, marking the day’s highest UV exposure. The heat continues until about 13:00, when it dips slightly to 13, before tapering off to 10 by 14:00. Later in the afternoon, the UV Index significantly decreases to 6 at 15:00 and sinks to 3 by 16:00. By 17:00, it drops further to 1, and the sun sets, leaving the UV Index at a safe 0 by 19:00. It’s crucial to take precautions during those peak hours, especially between 10:00 and 14:00 when UV radiation is strongest.
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 | 15 | 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 |
Throughout the year, the UV Index experiences significant fluctuations, peaking during the spring and summer months. Notably, March through October are characterized by an extreme exposure category, with maximum UV Index values of 15 reached in several months. The highest risk months for sun exposure are February through September, where the burn time is as low as 10 minutes. In contrast, January and December present slightly lower risks, with burn times of 15 minutes at UV Index levels of 10 and 9, respectively. Visitors and residents are strongly advised to take protective measures, including wearing sunscreen, protective clothing, and sunglasses, and to seek shade during peak hours to safeguard against harmful UV radiation, especially during the high-risk months.
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 |
Lamam | 10 | 13 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 13 | 11 | 9 |