Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Moung Ruessei, Cambodia, where the tropical climate and intense sun exposure can lead to serious skin health issues. Awareness of UV levels can help prevent sunburn and long-term skin damage, making it essential to monitor the daily fluctuations in UV radiation. With peak UV Index values soaring to 14 around midday, those outdoors must take precautions during the hottest hours to protect themselves from harmful effects. Staying informed about the UV Index not only promotes better health but also enhances your experience while enjoying the beautiful Cambodian outdoors.
As the sun rises, the UV Index begins its steady climb, starting at a mild 1 by 7:00 AM. By 8:00 AM, it nudges up to 3, signaling the need for some caution. The intensity reaches a notable 6 by 9:00 AM, but it’s from 10:00 AM to 12:00 PM when the sun truly asserts its power, peaking at a scorching 14 at noon. Fortunately, the index starts to dip slightly, maintaining a robust 10 at 2:00 PM before gradually descending to a 1 by late afternoon. As daylight wanes, the UV Index drops to 0 by 7:00 PM, bringing a welcome relief as the day comes to a close. Stay sun-smart and protect your skin during those peak hours!
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 | 10 | very high | 15 min |
11:00 | 13 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 13 | extreme | 10 min |
14:00 | 10 | very high | 15 min |
15:00 | 7 | 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 shows significant seasonal fluctuations that underscore the importance of sun safety. January and December see a very high UV Index of 10, with a burn time of just 15 minutes. However, from February to November, the index escalates to an extreme level, peaking at 15 in March, while consistently hovering around 13 to 14 during the warmer months. Notably, the high-risk months of February to October feature a burn time of only 10 minutes, indicating an urgent need for protective measures. It is essential for both visitors and residents to wear sunscreen, protective clothing, and seek shade during these periods to minimize the risk of skin damage.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Battambang UVI | 10 | 13 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |
Siem Reap UVI | 10 | 13 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 12 | 11 | 10 |
Moung Ruessei | 10 | 13 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |
Phnom Penh UVI | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |
Takeo UVI | 10 | 14 | 15 | 15 | 15 | 13 | 14 | 14 | 14 | 13 | 11 | 10 |
Sihanoukville UVI | 11 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 11 | 11 |