Last updated: June 2, 2025
In Oldziyt, Mongolia, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. The region's Dwc climate, characterized by cold winters and warm summers, brings significant UV exposure, especially during peak hours from 11 AM to 3 PM when the index can soar to 9. By being aware of the daily UV levels, residents and visitors can take essential precautions to protect themselves from harmful rays, ensuring that outdoor activities remain both enjoyable and safe. Whether you're exploring the beautiful landscapes or simply basking in the sun, knowing the UV Index can make all the difference!
The UV Index throughout the day showed a pronounced peak around midday, starting with a maximum reading of 1 at 7:00 AM. As the sun rose, the index climbed steadily, reaching 9 between 12:00 PM and 2:00 PM—the highest levels of the day, indicating a strong need for sun protection. The intensity began to taper off after 3:00 PM, with readings of 8 at 3:00 PM, dropping to 6 by 4:00 PM, and further decreasing to 1 by 7:00 PM. Overall, the UVI highlights the importance of sun safety during the peak hours, especially between 11:00 AM and 2:00 PM.
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | 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 |
Throughout the year, UV exposure varies significantly, with high-risk months typically occurring from April to August. During this period, the UV Index peaks at 9, indicating a very high exposure category and a burn time of just 15 minutes. Conversely, the winter months of December and January show a UV Index ranging from 1 to 2, categorized as low with more extended burn times of 45 minutes. Visitors and residents should take precautionary measures during the high-risk months by wearing protective clothing, applying sunscreen with high SPF, and seeking shade, especially during midday hours, to minimize the risk of skin damage. As conditions can still vary, it’s wise to check the UV Index daily to stay informed and safe.
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 |
| Oldziyt | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 7 | 5 | 2 | 1 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |