Last updated: June 2, 2025
Understanding the UV Index in Ueydzen, Mongolia is crucial for protecting your skin and enhancing overall health. With the BWk climate typical of this region, sun exposure can be intense, particularly during the peak hours of midday when UV levels reach their highest, peaking at an alarming 11 around 1 PM. Awareness of these UV levels is essential for preventing sunburn and long-term skin damage. By staying informed, residents and visitors can enjoy the beautiful sunlit days while taking necessary precautions against harmful rays, ensuring a healthy outdoor experience.
As the sun rises, the UV Index begins its ascent, starting the day at a mild 1 at 07:00. By 08:00, it ticks up to a moderate 3, signaling a gentle increase in sun intensity. The climb continues, reaching a notable 4 by 09:00. The peak occurs at 12:00, where the UV Index hits its highest point of 10, making it crucial to protect your skin during midday. As the afternoon progresses, it remains intense but slightly diminishes, recording 8 at 15:00 and tapering off to 4 by 17:00. By evening, the UV levels drop back down to a safe 1 by 19:00, making way for a comfortable night. Stay sun-safe and aware of these fluctuations!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | 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 experiences notable fluctuations, with significant spikes in the late spring and summer months. March marks the beginning of high-risk exposure, climbing to a UV Index of 6, categorized as high, while April and May see very high levels of UV radiation, peaking in June with an extreme UV Index of 11. Following June, the high-risk period continues into July and August, where the Index remains at 10. As summer concludes, September shows a decrease to 7 (high), then further dips throughout the fall and winter months, reaching a low of 2 in January and December. Visitors and residents are advised to take necessary precautions during April to August, ensuring adequate sun protection such as sunscreen, hats, and clothing to minimize the risk of UV exposure and 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 |
| UEydzen | 2 | 3 | 6 | 8 | 10 | 11 | 10 | 10 | 7 | 5 | 3 | 2 |