Last updated: June 2, 2025
Understanding the UV Index in Altay, Mongolia is essential for protecting your skin and overall health, especially as the region experiences intense sunlight during the summer months. With UV levels peaking around noon, awareness of the UV Index can play a vital role in preventing sunburn and reducing the risk of long-term skin damage. Given Altay's Dwc climate, where dramatic seasonal changes can lead to varying UV exposure risks, knowing when to take precautions—such as wearing sunscreen or seeking shade—can make all the difference for locals and visitors alike. Stay informed and keep your skin safe under the Mongolian sun!
The UV Index today follows a predictable yet striking pattern, peaking around 12:00 PM with a significant value of 9. Starting from a gentle 2 at 07:00, the intensity gradually rises, hitting 3 by 08:00 and escalating to 5 at 09:00. As the sun climbs higher, the index soars to 7 at 10:00 and reaches its zenith at 11:00 with an impressive 8. The peak continues at 12:00 and 13:00, where sun protection becomes crucial for outdoor enthusiasts. Post-peak, the UV Index begins to decline, dropping to 5 by 16:00, and further decreasing to 2 by 18:00. As evening approaches, the UV levels settle at 1 by 19:00, providing a gentle reminder of the sun's fleeting power. Stay protected during those peak hours and enjoy the sunshine!
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | 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, the UV Index experiences significant fluctuations, indicating varying levels of sun exposure risk. From January to March, the UV Index rises gradually from 2 to 5, classified as low to moderate risk, where burn times range from 30 to 45 minutes. As we transition into April, May, June, July, and August, the UV Index peaks at 9, falling in the very high category, where the burn time reduces to just 15 minutes—making these months particularly high-risk for sunburn. September marks a decrease to 6 (high exposure), with a burn time of 25 minutes, while October to December returns to lower UV levels, with indices of 4, 2, and 1, respectively, allowing for longer burn times of 30 to 45 minutes. Visitors and residents should remain vigilant, especially during the high-risk summer months, by wearing sun protection and limiting sun exposure, particularly between 10 AM and 4 PM.
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 |
| Altay | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 8 | 6 | 4 | 2 | 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 |