Last updated: May 3, 2025
In Tsul-Ulaan, Mongolia, being aware of the UV Index is crucial for safeguarding your health under the sun. Understanding UV levels is essential not only for preventing sunburn but also for maintaining long-term skin health. With a Dwc climate that can lead to heightened UV exposure throughout the day, particularly during peak hours when the index soars to 9, it's vital to stay informed and take protective measures. Whether you're enjoying outdoor activities or simply going about your day, knowing the UV Index can help you make smarter choices for your skin and overall well-being.
The UV Index shows a distinct daily rhythm, peaking at 1 PM with a significant value of 9—a strong indicator for sun exposure. As the day unfolds, early morning starts at a comfortable 1 at 7 AM, gradually climbing to 2 by 8 AM. By 10 AM, it reaches 5, and just before noon, it surges to 8. The afternoon sees a slight dip from 9 at 1 PM to 7 by 3 PM, before slowly descending back to 1 by 7 PM. This data highlights the importance of sun protection during those peak hours, especially from 11 AM to 2 PM. Remember to stay safe and enjoy the sunshine!
| 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 | 8 | 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 exhibits significant seasonal fluctuations that require careful attention from both residents and visitors. From January to February, the risk remains low to moderate, with burn times ranging from 30 to 45 minutes. However, as spring arrives and peaks in April with a high UV Index of 7, the risk escalates, necessitating more diligent sun protection. The summer months of May to August are particularly concerning, featuring a sustained very high index of 9 and a minimized burn time of only 15 minutes—the highest risk period. As September approaches, the index drops to 7, but caution should still be exercised. The UV levels fall again in October, settling to a moderate 4, and remain low through November and December. To ensure safety, especially during high-risk months (May through August), it is crucial to apply sunscreen, seek shade, and wear protective clothing.
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 |
| Tsul-Ulaan | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 7 | 4 | 2 | 2 |
| 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 |