Last updated: July 2, 2025
In Bornuur, Mongolia, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the region's sunny days. With a climate classified as Dwc, Bornuur experiences significant seasonal variations, leading to distinct UV exposure risks throughout the year. Understanding the daily UV levels, which peak at an intense 9 around midday, empowers residents and visitors alike to take necessary precautions, ensuring a safe and enjoyable outdoor experience. By being aware of UV radiation's impact, you can protect your skin effectively and embrace the beauty of Mongolia’s landscape without compromise.
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 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | 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 |
As seasons change, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk throughout the year. From January's low UV Index of 2 to December's index of 1, the sun's intensity is generally less threatening in the winter months. However, the high-risk months peak in May through July, when the UV Index reaches 8 and 9—labeled as very high—with minimal burn times of just 15 minutes. April and August also pose considerable risks, with indices of 7 and 8, respectively. Visitors and residents should take precautions during these high UV months by wearing protective clothing, applying sunscreen, and seeking shade, especially during peak sunlight hours. It's essential to remain vigilant as UV exposure can lead to skin damage and other 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 |
| Bornuur | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 3 | 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 |