Last updated: June 2, 2025
In Tsetserleg, Mongolia, awareness of the UV Index is crucial for safeguarding your skin health and preventing sunburn. Understanding the UV levels throughout the day can empower residents and visitors to make informed choices about sun exposure, especially during the peak hours when the index reaches 9 between 12:00 PM and 2:00 PM. Given Tsetserleg's Dwc climate, characterized by cold winters and warm summers, the unique geographical conditions can heighten UV exposure risks, making it essential to stay vigilant against potential damage from the sun. By monitoring the UV Index, you can enjoy the outdoors while keeping your skin protected and healthy!
As the sun rises, the UV Index begins its ascent, starting at a gentle 2 by 7:00 AM. By 8:00 AM, it nudges up to 3, signaling an early warning for sun seekers. The intensity peaks at 12:00 PM with an impressive 9, where caution is advised for prolonged exposure. From 11:00 AM to 2:00 PM, the UV Index remains steady at this elevated level, making midday the prime time to protect your skin. As the afternoon rolls in, the numbers gradually taper off, dipping to 7 by 3:00 PM, before settling back to a moderate 3 at 5:00 PM. By 6:00 PM, the UV Index drops to 2, and by 7:00 PM, it’s a mere 1, marking a gentle retreat of the sun's intensity for the day. Keep this UV Index timeline in mind to enjoy safe and sun-smart outdoor activities!
| 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 | 9 | 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 |
Throughout the year, the UV Index experiences significant fluctuations, indicating varying levels of sun exposure risk. From January to March, the UV Index rises gradually from 2 to 5, classified as low to moderate risk, where burn times range from 30 to 45 minutes. As we transition into April, May, June, July, and August, the UV Index peaks at 9, falling in the very high category, where the burn time reduces to just 15 minutes—making these months particularly high-risk for sunburn. September marks a decrease to 6 (high exposure), with a burn time of 25 minutes, while October to December returns to lower UV levels, with indices of 4, 2, and 1, respectively, allowing for longer burn times of 30 to 45 minutes. Visitors and residents should remain vigilant, especially during the high-risk summer months, by wearing sun protection and limiting sun exposure, particularly between 10 AM and 4 PM.
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 |
| Tsetserleg | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 8 | 6 | 4 | 2 | 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 |