Last updated: August 1, 2025
In Duut, Mongolia, awareness of the UV Index is crucial for everyone, especially with the region's BSk climate that brings significant sun exposure. Understanding UV levels is essential for preventing sunburn and protecting your skin health; even on seemingly mild days, the risk of UV damage can be high. Over the course of a typical day, UV Index values can peak at a strong 10 around noon, highlighting the need for vigilance. By staying informed about the UV exposure risks, you can enjoy the sun safely while safeguarding yourself against potential skin issues.
As the sun rises, the UV Index begins to climb steadily, peaking at a remarkable 10 by 1 PM. Starting at a low of 1 at 7 AM, the index swiftly escalates through the morning: reaching 2 at 8 AM, then hitting 4 by 9 AM. By 11 AM, it escalates to a notable 8, and just an hour later, it soars to 9. Between 12 PM and 1 PM, the UV Index reaches its maximum, urging everyone to seek shade and wear protection. Following this peak, the index gradually declines—settling at 9 at 2 PM, before dropping to 7 by 3 PM. As the afternoon wanes, the UV levels taper off to 4 at 5 PM, and finally retreat back to 1 by 7 PM. Be sure to stay sun-safe during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 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 levels show notable seasonal changes, indicating varying risks for sun exposure. High-risk months are primarily from April to August, where the UV Index reaches very high to extreme levels, particularly peaking at 11 in May. During these times, the burn time drastically decreases, with just 10 to 15 minutes of sun exposure potentially leading to skin damage. It’s crucial that visitors and residents take precautions in these months by wearing protective clothing, using sunscreen, and seeking shade during peak sunlight. From September to October, the UV Index drops to moderate levels, but caution should still be exercised. In contrast, winter months (January, December, and November) present low to moderate UV exposure, where burn times can extend to 30 to 45 minutes, but vigilance is still advisable to maintain skin health year-round.
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 |
| Duut | 2 | 4 | 6 | 8 | 11 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |