Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Tsagaantungi, Mongolia, where the local BSk climate brings unique exposure challenges. Elevated UV levels, particularly between 10 AM and 2 PM, can lead to sunburn and long-term skin damage, making awareness essential for maintaining skin health. With maximum UV Index values peaking at 9, Tsagaantungi's sunny conditions demand vigilance to protect against harmful rays. By tracking the daily UV index, you can better plan your outdoor activities, ensuring a safer and more enjoyable experience in the great outdoors.
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 varies significantly, impacting the risk of sunburn and the necessity for sun protection. The high-risk months for UV exposure generally occur from April to August, peaking in May with an index of 10 (very high) and remaining above 8 during the summer months. During this period, the burn time for unprotected skin is as low as 15 minutes, emphasizing the need for diligent sun safety practices, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade. As fall approaches, the UV Index decreases, with levels dropping to moderate in October and low by November and December. Visitors and residents are advised to be particularly cautious during high UV months, while those venturing outside during the winter months can enjoy the sun with less concern for over-exposure.
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 |
| Tsagaantungi | 2 | 3 | 5 | 7 | 10 | 9 | 9 | 8 | 7 | 5 | 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 |