Last updated: June 2, 2025
Understanding the UV Index in Bayan-Ovoo, Mongolia is essential for protecting your skin and overall health. As this region experiences a Dwc climate, with distinct temperature variations, residents and visitors must be aware of the UV levels that peak around midday—reaching up to 9 on the index during the summer months. This knowledge is crucial not only for preventing painful sunburn but also for minimizing long-term skin damage. With the sun’s intensity playing a critical role in sunlight exposure, keeping an eye on the UV Index can help you enjoy the outdoors safely while safeguarding your skin’s health.
The UV Index chart reveals a dynamic shift in sunlight intensity throughout the day. Starting gently at 7:00 AM with a UV Index of 2, the sun climbs higher as the hours progress, peaking at 12:00 PM with a significant 9. This intensity remains high until 1:00 PM, ensuring a strong burst of exposure. As afternoon transitions into evening, the index gradually tapers off, dropping to 6 at 3:00 PM, and further declining to 1 by 7:00 PM. It’s a dance of light where the midday sun demands respect and caution, making this time the most crucial for sun safety. Remember to apply sunscreen and seek shade during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 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 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, indicating varying risks for skin damage due to sun exposure. The high-risk months are from April to August, when the UV Index reaches its peak at 9, categorizing it as very high during June and July and resulting in a burn time of just 15 minutes. As spring transitions to summer, individuals should take extra precautions, including wearing protective clothing, applying sunscreen regularly, and seeking shade, especially during midday hours. In contrast, winter months see lower UV Index levels (1-3), offering safer conditions for outdoor activities but still warranting caution during sunnier days. It is advisable for both visitors and residents to stay informed about the UV Index to protect their skin throughout the year.
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 |
| Bayan-Ovoo | 1 | 3 | 5 | 7 | 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 |