Last updated: July 2, 2025
Becoming aware of the UV Index is crucial for residents and visitors of Hodrogo, Mongolia, as it plays a vital role in protecting skin health and preventing sunburn. Understanding UV levels is essential, especially during the peak sun hours when exposure can lead to harmful effects. With Hodrogo's Dwc climate, characterized by warm summers and significant solar radiation, the UV Index can reach notably high levels—peaking at 9 during midday hours. By staying informed about the local UV conditions, you can enjoy the beautiful sun safely while minimizing the risk of skin damage.
As the sun rises, the UV Index gradually climbs, starting from a mild 2 at 07:00. By 08:00, it reaches a pleasant 3, making it a great time for a morning stroll. The intensity peaks between 11:00 and 13:00, with the index hitting its maximum of 9, urging everyone to seek shade and apply sunscreen. After this intensity, the index begins to decline, dropping to 6 by 15:00 and further to 2 by 18:00, concluding the day with a gentle 1 by 19:00. Be aware of the sun’s strength—stay protected during the hottest hours!
| 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 | 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 experiences significant seasonal changes that can impact both residents and visitors. January and February present relatively low to moderate UV levels (Index of 2 and 3, respectively), offering safer conditions for outdoor activities, with burn times of 45 and 30 minutes. As spring arrives in March, the index rises sharply to 6, indicating high exposure and a reduced burn time of just 25 minutes. The greatest risk occurs from April to August, where the UV Index peaks at 10 during May and June, categorizing the exposure as very high—a mere 15 minutes of unprotected sun exposure could lead to skin damage. The risk begins to decline in September with a high UV Index of 6, and further eases in October (Index 5), November (Index 2), and December (Index 1), returning to low levels. Visitors and residents should exercise caution, particularly from April through August, employing sunscreen and protective clothing to mitigate the risk of UV-related health issues.
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 |
| Hodrogo | 2 | 3 | 6 | 8 | 10 | 10 | 9 | 9 | 6 | 5 | 2 | 1 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |