Last updated: June 2, 2025
In Buyant, Mongolia, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps in preventing sunburn and reducing long-term skin damage, particularly during the peak sunlight hours when UV exposure is at its highest. With a semi-arid climate (BSk), Buyant experiences intense sunlight, especially during late mornings and early afternoons when the UV Index can reach dangerous levels of 10. By staying informed about the UV Index, you can take necessary precautions to enjoy the sun safely and protect your skin effectively.
The UV Index for the day showcases a dynamic progression of intensity, reaching its peak between 12:00 PM and 2:00 PM with a maximum value of 10. From the early morning hours, starting at 07:00 AM with a mild 1, the index gradually rises, emphasizing the growing strength of the sun. By 11:00 AM, it escalates to a significant 8, signaling the need for sun protection. The intensity remains high, hitting 10 during the midday hours, before it begins to taper off. As the sun begins to set, the UV Index declines steadily, dropping back to 1 by 7:00 PM. It's vital to stay protected during those peak hours when the sun is at its strongest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with a noticeable increase from March to August. The high-risk months are April to August, where the UV Index reaches 8-10, categorized as very high; during this period, the recommended burn time decreases to just 15 minutes. In contrast, January and December exhibit low exposure levels, with a UV Index of 2 and a burn time of 45 minutes. Visitors and residents should take extra precautions during the high UV months by wearing sunscreen, protective clothing, and seeking shade, especially between 10 AM and 4 PM when the sun's rays are the strongest. During the rest of the year, while the risk is lower, it is still advisable to be mindful of UV exposure, especially in March, September, and October with moderate UV levels.
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 |
| Buyant | 2 | 3 | 6 | 8 | 10 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |