Last updated: June 2, 2025
In Ulaan-Uul, Mongolia, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. As a region characterized by a BSk climate, Ulaan-Uul experiences fluctuating UV levels throughout the day, with peak exposure reaching a UV Index of 10 around midday. This significant rise in UV intensity underscores the importance of being aware of daily UV conditions to protect yourself while enjoying the beautiful outdoors. With the sun's rays being particularly intense during the summer months, monitoring UV levels can help you take proactive measures against potential skin damage. Stay informed and safeguard your skin against the risks of UV exposure!
The UV Index throughout the day reveals a dynamic pattern of solar intensity that peaks during the midday hours. Starting at a modest 1 at 07:00, the index steadily climbs to reach a striking 10 by 13:00 and 14:00, indicating a high risk of harm from unprotected sun exposure. As the sun journeys across the sky, the index gradually declines, falling back to 4 by 17:00, and eventually dropping to 1 again by 19:00. Individuals planning outdoor activities should take special care during the 11:00 to 15:00 window, where protective measures are essential for skin safety. Remember to stay vigilant under the midday sun!
| 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 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | 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 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 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 |
| Ulaan-Uul | 2 | 3 | 6 | 8 | 10 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |