Last updated: June 2, 2025
In Bor-Udzuur, Mongolia, being aware of the UV Index is crucial for safeguarding your skin against sun damage. Understanding the UV levels helps prevent sunburn and supports your overall skin health, especially in a region characterized by its BWk climate, where UV exposure can peak at a concerning level of 10 around midday. With typical UV risks escalating as the sun rises, knowing the UV Index empowers residents and visitors alike to take proactive measures, ensuring enjoyable outdoor activities while minimizing health hazards. Stay informed and enjoy the sun safely!
As the sun rises, the UV Index begins its ascent, starting from a mild 1 at 07:00. By 09:00, it reaches 4, signaling a moderate level of UV exposure. The intensity peaks at noon with a striking 10, indicating a high risk of harm from unprotected sun exposure. The critical hours stretch from 11:00 to 13:00, where the index holds steady at 10, urging caution for those outdoors. As afternoon rolls in, the UV Index gradually declines, dipping to 9 at 14:00 and further down to 5 by 16:00. The evening brings relief, with levels falling to 3 at 17:00, 2 at 18:00, and finally returning to 1 by 19:00, closing out the day. Stay sun-safe and be mindful of these hourly variations to protect your skin!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with a noticeable increase from March to August. The high-risk months are April to August, where the UV Index reaches 8-10, categorized as very high; during this period, the recommended burn time decreases to just 15 minutes. In contrast, January and December exhibit low exposure levels, with a UV Index of 2 and a burn time of 45 minutes. Visitors and residents should take extra precautions during the high UV months by wearing sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM when the sun's rays are the strongest. During the rest of the year, while the risk is lower, it is still advisable to be mindful of UV exposure, especially in March, September, and October with moderate UV levels.
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 |
| Bor-Udzuur | 2 | 3 | 6 | 8 | 10 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |