Last updated: June 2, 2025
Understanding the UV Index in Tsagaan-Ovoo, Mongolia is crucial for safeguarding your skin health under the vibrant sun. As a region characterized by a BWk climate, Tsagaan-Ovoo experiences significant variations in UV exposure, peaking during midday hours. By being aware of UV levels, especially when they reach a maximum of 10 between noon and 1 PM, you can effectively prevent sunburn and reduce long-term skin damage. Whether you're enjoying outdoor activities or simply soaking in the beauty of this unique landscape, knowing how to protect yourself from harmful rays is essential for a safe and enjoyable experience.
The UV Index throughout the day shows a clear progression in intensity, peaking at a formidable 10 around noon. The morning starts off relatively mild, with values of 1 at 7:00 AM gradually rising to 4 by 9:00 AM. As the day unfolds, the index escalates swiftly, reaching 8 by 11:00 AM and then hitting its zenith of 10 at 12:00 PM and 1:00 PM. After this peak, there’s a noticeable decline; by 3:00 PM, it drops to 8 and continues to decrease until it settles back at 1 by 7:00 PM. This data underscores the importance of sun protection during the peak hours of 11:00 AM to 1:00 PM, when UV exposure is highest.
| 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 | 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 | 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, so does the UV Index, significantly impacting sun safety. From January to March, the UV levels remain relatively low to moderate, with burn times ranging from 30 to 45 minutes. Starting in April, the UV Index escalates dramatically, peaking from May to August at a very high level of 10, where burn time drops to just 15 minutes, making these the highest-risk months for skin damage. As fall approaches in September, the risk decreases slightly to high (UV Index 7), followed by a return to moderate levels in October and November. Visitors and residents should take extra precautions during the summer months by limiting sun exposure, wearing protective clothing, and applying broad-spectrum sunscreen frequently. In winter, the UV risk lowers, but it’s still advisable to be cautious, especially on bright days.
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 |
| Tsagaan-Ovoo | 2 | 3 | 5 | 8 | 9 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |