Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Altanbulag, Mongolia, where the combination of a Dwb climate and high-altitude location can lead to significant sun exposure. Being aware of UV levels not only helps in preventing sunburn and skin damage, but it also plays a vital role in maintaining overall skin health. During the warmer months, the UV Index in Altanbulag peaks around midday, often reaching levels of 8, indicating a high risk of harm from unprotected sun exposure. By monitoring the UV Index, locals can better protect themselves against the sun’s harmful rays while enjoying the beautiful outdoors.
The UV Index for the day shows a dynamic and telling progression in sun exposure. Starting off at a mere 1 at 7:00 AM, the index climbs steadily throughout the morning. By 10:00 AM, it reaches a moderate 6, peaking at a robust 8 from 12:00 PM to 14:00 PM when the sun is at its strongest. As the afternoon wanes, the index gracefully descends; by 16:00 PM, it sits at 5 and continues to drop, landing back at 1 by 19:00 PM. This data underscores the importance of protection during the midday hours, urging everyone to stay shielded from potential harm when the sun’s rays are at their most intense.
| 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 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | 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, UV exposure varies significantly, with peak risk occurring during the summer months of June, July, and August, when the UV Index reaches a very high level of 8 or 9 and the burn time drops to just 15 minutes. As spring approaches, April and May also present high UV levels (6 and 7, respectively), indicating that visitors and residents should be particularly cautious. Conversely, the winter months of January, November, and December have low UV index values (1-2), offering safer conditions for outdoor activities. To ensure safety throughout the year, it is crucial for individuals to adapt their sun protection strategies: during high-risk months, applying sunscreen, wearing protective clothing, and seeking shade are essential, while in lower-risk months, vigilance can be relaxed, yet some level of protection is still advisable.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Altanbulag | 2 | 3 | 4 | 6 | 7 | 8 | 9 | 8 | 6 | 3 | 2 | 1 |
| 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 |