Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Orgon, Mongolia, where the high-altitude climate contributes to elevated UV radiation levels. Being aware of UV levels is essential for preventing sunburn and ensuring long-term skin health. With a typical UV Index peaking at 11 during the midday hours, the risk of harmful sun exposure increases significantly, especially during the summer months. In a region characterized by a BSk climate, where sunny days are abundant, knowing when to seek shade or wear sun protection can make all the difference in maintaining healthy skin while enjoying the great outdoors.
The UV Index shows a dramatic rise as the morning unfolds, starting at a low of 1 at 07:00. By 08:00, it gently climbs to 2, and by 09:00, it reaches 3. The mid-morning reveals a surge, peaking at 5 by 10:00. As the sun reaches its zenith, the UVI soars to a staggering 10 at noon, with a climb to 11 at 13:00, marking the highest point of the day. Just after, it gradually dips, but remains considerable at 10 by 14:00 and 9 at 15:00. The afternoon sees a striking decrease to 7 at 16:00 and continues to fall, landing at 3 by 18:00, before tapering off to 1 by 19:00. It's a clear reminder to stay sun-safe during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, UV Index levels fluctuate significantly, impacting sun safety for visitors and residents alike. January and December are typically low-risk months with a UV Index of 2, allowing for up to 45 minutes of safe sun exposure. However, from March to August, the UV Index rises sharply, peaking in June and July at a staggering 11, categorized as extreme with a dangerously reduced burn time of just 10 minutes. Notably, April and May also present very high risks, with UV Index values of 8 and 10 respectively. To ensure safety, it’s crucial to adopt sun protection strategies during these high-risk months, especially between March and August. Visitors and residents should wear sunscreen, protective clothing, and seek shade whenever possible to minimize the risk of UV-related health issues.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Darhan UVI | 1 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Erdenet UVI | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Ulan Bator UVI | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 6 | 4 | 3 | 1 |
| OElgii UVI | 2 | 3 | 5 | 7 | 10 | 9 | 9 | 9 | 7 | 5 | 2 | 1 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |
| Orgon | 2 | 3 | 6 | 8 | 10 | 11 | 11 | 10 | 8 | 5 | 3 | 2 |