Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Tsagaan-Olom, Mongolia. With its semi-arid climate and high altitude, this region experiences significant UV exposure, particularly during the peak daylight hours. Knowing the UV levels helps in preventing sunburn and maintaining overall skin health. For instance, the UV Index can reach a maximum of 10 around noon, indicating a very high risk of harm from unprotected sun exposure. Stay informed to protect your skin and enjoy the beautiful outdoors safely!
The UV Index throughout the day reveals a clear pattern of increasing intensity under the sun. Starting the morning at a moderate level of 2 at 07:00, the index gradually rises to a notable 3 by 08:00. By 09:00, it reaches a peak of 5, but the real intensity hits as it climbs to a significant 7 at 10:00. The sun’s potency peaks around 12:00, soaring to a maximum of 10, with this level sustained until 13:00. As the afternoon unfolds, the intensity begins to wane, dropping to 9 by 14:00 and then tapering down to 7 at 15:00. The evening ushers in a gentle decline, with the UV Index falling to 3 at 17:00, and finally settling at a low 1 by 19:00. Always remember to protect your skin, especially during peak hours when UV exposure is at its highest!
| 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 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | 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, UV Index levels experience significant seasonal changes, peaking in the summer months. From January to February, the UV Index rises from 2 (low) to 3 (moderate), with recommended burn times decreasing as exposure increases. March marks the beginning of high risk with a UV Index of 6, shifting to very high levels of 8-10 in April through July, where burn times drop significantly to 15 minutes. August remains a high-risk month at 9, before tapering down to 7 in September and then further decreasing to moderate levels in October and November (3) before returning to low levels in December. Residents and visitors should take extra precautions during April through September when UV exposure is at its peak. This includes wearing sunscreen, protective clothing, and avoiding long periods outdoors during peak sun hours to minimize 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 |
| Tsagaan-Olom | 2 | 3 | 6 | 8 | 10 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |