Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Haliun, Mongolia, where the BSk climate brings unique challenges and exposure risks. Awareness of UV levels can significantly aid in sunburn prevention and promote better skin health, especially when peak indices reach as high as 10 during midday hours. With UV values peaking between 11:00 AM and 1:00 PM, it's essential to take proactive measures to protect yourself and your loved ones from harmful rays. By familiarizing yourself with the daily UV Index, you'll be better equipped to enjoy Haliun's beautiful outdoor offerings while keeping your skin safe from damaging effects.
The UV Index throughout the day reveals a clear pattern of increasing intensity under the sun. Starting the morning at a moderate level of 2 at 07:00, the index gradually rises to a notable 3 by 08:00. By 09:00, it reaches a peak of 5, but the real intensity hits as it climbs to a significant 7 at 10:00. The sun’s potency peaks around 12:00, soaring to a maximum of 10, with this level sustained until 13:00. As the afternoon unfolds, the intensity begins to wane, dropping to 9 by 14:00 and then tapering down to 7 at 15:00. The evening ushers in a gentle decline, with the UV Index falling to 3 at 17:00, and finally settling at a low 1 by 19:00. Always remember to protect your skin, especially during peak hours when UV exposure is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | 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 | 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 exposure levels fluctuate significantly, with the most hazardous months occurring from March to August. In March, the UV Index spikes to 7, marking the beginning of the high-risk period, which reaches its peak in May with an extreme index of 11. This is followed closely by sustained high levels in June, July, and August, each maintaining a very high index of 10. As the year progresses, UV levels subsequently decrease, returning to moderate safety by October and falling back to low risk by December. To ensure safety, it is crucial for visitors and residents to take precautions during the high sun months, such as seeking shade, wearing protective clothing, and using sunscreen, especially during the peak hours when these indices are at their most dangerous.
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 |
| Haliun | 2 | 3 | 7 | 9 | 11 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |