Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Ou Chum, Cambodia, where the sun shines brightly, especially in the tropical Aw climate. With peak UV levels reaching an intense 14 around noon, awareness of these fluctuations is vital for preventing sunburn and protecting skin health. By monitoring these levels, you can safeguard yourself against harmful effects, ensuring that your outdoor activities remain enjoyable and safe. As you plan your day, remember that even in the early morning and late afternoon, UV levels can pose risks, making it essential to stay informed about the UV Index in this vibrant region.
The UV Index today showcases a dramatic rise in solar intensity, starting with a moderate level of 2 at 7:00 AM. As the sun climbs higher in the sky, the intensity peaks at a staggering 14 by noon, marking the most hazardous time for sun exposure. It reaches a maximum of 13 at 1:00 PM, emphasizing the need for protective measures like sunscreen and hats. The afternoon sees a swift decline, dropping to 10 by 2:00 PM and further down to 6 at 3:00 PM. As evening approaches, the UV Index dips to 1 by 5:00 PM, offering some relief, before finally settling at 0 after 7:00 PM. For those planning their day, early morning and late evening provide a safer window for outdoor activities, while midday requires caution to avoid overexposure.
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 | 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 | 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 experiences significant seasonal changes, peaking from February through November. The highest risks occur in February to May, where the UV Index reaches up to 15, categorized as extreme, with a burn time of just 10 minutes. January starts with a very high index of 10, slightly decreasing in October to 13 before dropping back to a very high exposure in December. Residents and visitors should take extra precautions, especially during the high-risk months of February through April, by wearing protective clothing, applying sunscreen regularly, and seeking shade to minimize skin damage and sunburn risk.
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 |
Ou Chum | 10 | 13 | 15 | 15 | 15 | 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 |