Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Jargalant, Mongolia, especially given its distinct Dwc climate with high altitude exposure. With UV levels peaking dramatically between 11:00 AM and 2:00 PM—reaching an intensity of 10—awareness can significantly help in preventing sunburn and protecting skin health. Regularly monitoring the UV Index empowers individuals to take necessary precautions against harmful rays, ensuring safe outdoor activities while enjoying the stunning Mongolian landscape. So, whether you're hiking or simply soaking up the sun, staying informed about the UV Index can make all the difference!
The UV Index throughout the day showcases a dynamic pattern, starting gently with a maximum of 1 at 07:00 and gradually rising to a more intense 10 by 13:00 and 14:00. As the sun reaches its peak, the index signals a high risk of harm from unprotected sun exposure, emphasizing the need for precautions. Following this zenith, the index begins to taper off, dropping to 8 at 15:00 and slowly descending to 1 again by 19:00. This curve illustrates the importance of being vigilant during peak hours—especially between 11:00 and 14:00, when sun protection is essential to avoid the harshest rays.
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | 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 | 1 | low | 45 min |
As the seasons change, so too does the UV Index, significantly influencing the risk of sun exposure. From January to February, the UV levels rise moderately, with February marking the transition to a moderate exposure category (UV Index 3), leading to a burn time of 30 minutes. The risk escalates sharply in April, reaching a very high UV Index of 9, peaking at 10 from May through August, where visitors and residents are at considerable risk with a mere 15 minutes until burn time. September sees a slight decline to an 8 while maintaining a very high exposure level. As autumn approaches, the UV Index drops back to 5 in October and returns to low levels by December. Therefore, it is crucial for everyone, particularly during the high-risk months of April to September, to take protective measures such as applying sunscreen, wearing protective clothing, and seeking shade 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 |
| 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 |
| Jargalant | 2 | 3 | 5 | 9 | 10 | 10 | 10 | 10 | 8 | 5 | 3 | 2 |