Last updated: August 1, 2025
In Orhon, Mongolia, staying aware of the UV Index is crucial for protecting your skin and overall health. With UV levels rising throughout the day, understanding these measurements can significantly help in preventing sunburn and minimizing potential long-term skin damage. Given Orhon's Dwc climate, which features both warm summers and chilly winters, residents and visitors alike must recognize the risks of UV exposure, particularly during midday hours when the index peaks at 9. By keeping an eye on the UV Index, you can enjoy the sun safely while safeguarding your skin's vitality.
The UV Index throughout the day reaches its peak around 1 PM, soaring to a high of 9. Early morning hours see a gentle rise, starting at 1 by 7 AM and gradually increasing to 4 by 9 AM. As the sun climbs higher, the index ramps up significantly, hitting 8 at 12 PM and declining thereafter. From 1 PM onward, the intensity begins to wane, dropping to 7 at 3 PM, then settling to a comfortable 3 by 5 PM. By evening, the index gently tails off, marking 2 by 6 PM and back to a restful 1 by 7 PM. Stay protected during those peak hours to enjoy the sunshine safely!
| 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 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | 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, the UV Index demonstrates significant fluctuations, with peaks occurring during the summer months. May through August are particularly high-risk months, characterized by a very high UV Index of 8 or 9, where the recommended burn time decreases to as little as 15 minutes. In contrast, the winter months of December and January see a low UV Index of 1, allowing for safe exposure up to 45 minutes without risk of sunburn. As spring progresses, UV levels rise sharply, reaching a high of 6 in April and transitioning to very high levels by May. Residents and visitors are strongly advised to take protective measures during high-exposure times, especially in late spring and summer, by wearing sunscreen, hats, and protective clothing 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 |
| Orhon | 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 |