Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Dzaanhoshuu, Mongolia, where sun exposure can significantly impact health. As the UV levels rise throughout the day, reaching a peak of 10 around 1 PM, awareness of these levels helps prevent sunburn and supports long-term skin health. With Dzaanhoshuu's Dwc climate, characterized by cold winters and warm summers, it's essential to be vigilant about UV risks, especially during sunny days. Stay informed and protect your skin by keeping an eye on the UV Index!
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!
| 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 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal changes that affect sun exposure risk. January and December have the lowest UV levels, categorized as low, with a burn time of 45 minutes. As spring arrives, February and March see a gradual increase to moderate levels, where burn time decreases to 30 minutes. The risk peaks from April to August, where the index reaches a very high level, with burn times dropping to just 15 minutes during these months. September and October present a slight decline but still maintain a high risk category, giving a burn time of 25 minutes. November sees a return to moderate levels with a 30-minute burn time. Visitors and residents are advised to take precautions during high-risk months, particularly from April to August, by wearing sunscreen, protective clothing, and seeking shade to minimize exposure during peak UV times.
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 |
| Dzaanhoshuu | 2 | 3 | 5 | 9 | 10 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |