Last updated: June 2, 2025
In Halban, Mongolia, staying informed about the UV Index is crucial for protecting your skin and maintaining overall health. Understanding UV levels helps you prevent sunburn and long-term skin damage, particularly during the peak hours when UV radiation is most intense. Halban's Dwc climate often brings significant solar exposure, with UV Index values soaring to 9 from 1 PM to 3 PM. By being aware of these levels, you can take appropriate precautions to enjoy the outdoors safely while safeguarding your skin.
At dawn, the UV Index begins its ascent, peaking at a gentle 1 by 07:00. As the morning progresses, it steadily climbs, reaching 2 at 08:00 and hitting 3 by 09:00. The sun reaches its zenith at 12:00, delivering a powerful 8, making midday the prime time for sun exposure. The intensity peaks at 1:00 PM and 2:00 PM, touching 9—the highest of the day—before beginning a gradual decline. By late afternoon, the index drops to 7 at 4:00 PM, signaling a shift towards safer sun conditions. As evening approaches, the UV Index decreases to 3 by 6:00 PM, and during the final hours of daylight, it settles at 2 by 7:00 PM, wrapping up a day of varying UV intensity with a gentle closing. Remember to protect your skin during those high-value hours!
| 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 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV Index values exhibit significant seasonal variations, impacting the sun exposure risk for individuals. The highest risk months are from May to August, where the UV Index reaches a peak of 9 and falls into the very high exposure category, necessitating caution with only 15 minutes of unprotected sun exposure before potential skin damage occurs. In contrast, the winter months of January, November, and December present a lower risk, with UV Index values dropping to 2 or 1, allowing for safer exposure times of 45 minutes. Visitors and residents should take proactive measures during high-risk months, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak sunlight hours to minimize the risk of skin damage.
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 |
| Halban | 2 | 3 | 6 | 7 | 9 | 9 | 9 | 8 | 6 | 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 |