Last updated: July 2, 2025
Understanding the UV Index in Tosontsengel, Mongolia is crucial for protecting your skin from the sun’s harmful rays. With a climate classified as Dwc, the region can experience significant UV exposure, particularly around midday when the index peaks at 9, indicating a high risk of harm from unprotected sun exposure. This makes it essential to comprehend UV levels to prevent sunburn and maintain skin health. Being aware of these levels allows residents and visitors alike to take informed precautions, ensuring a safer and more enjoyable experience under the sun.
As the sun rises, the UV Index begins to climb, starting at a gentle 2 at 07:00. By 08:00, it reaches 3, hinting at a bright day ahead. The intensity peaks at 12:00, hitting an impressive 9, signaling that it's crucial to take sun safety measures during these hours. The UV Index remains elevated at 8 until 14:00, before gradually descending to 4 by 16:00. As the afternoon fades into evening, the index drops to a comfortable 1 by 18:00 and remains there until 19:00. Overall, it’s a day where sun protection is key, especially from late morning to early afternoon when the UV rays are at their strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV levels fluctuate significantly, with the highest risk occurring from April to August. In these months, the UV Index peaks at 10 in May and remains at 9 from June to August, indicating very high exposure risk with a burn time of only 15 minutes. Visitors and residents should take precautions during these high-risk months, such as wearing sunscreen with adequate SPF, protective clothing, and seeking shade during peak hours. Conversely, the months of January, November, and December have a low UV Index of 2, allowing for more carefree outdoor activities. However, as UV levels increase in the spring, it's essential to remain vigilant to protect skin health during peak sunlight hours.
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 |
| Tosontsengel | 2 | 3 | 6 | 8 | 10 | 9 | 9 | 9 | 6 | 5 | 2 | 2 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |