Last updated: June 2, 2025
In Dzadgay, Mongolia, understanding the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. With peak UV levels reaching as high as 10 from late morning to early afternoon, awareness of these fluctuations can prevent sunburn and promote long-term skin health. The BSk climate of Dzadgay, characterized by dry, sunny days, poses unique exposure risks, making it vital for residents and visitors alike to stay informed about daily UV levels. By being proactive, you can enjoy the outdoors while minimizing the risks associated with excessive sun exposure.
Throughout the day, the UV Index exhibits a pronounced rise, peaking at 10 between 1 PM and 2 PM, signaling some of the highest levels of ultraviolet radiation. Starting from a gentle 1 at 7 AM, it gradually climbs, reaching a moderate 3 by 9 AM. The sun's intensity escalates significantly, hitting 6 by 10 AM and soaring to 8 at 11 AM. Just before noon, the UV Index peaks at a striking 9, creating an urgent need for sun protection. As the afternoon progresses, the index remains high but begins to dip, settling at 4 by 5 PM and further decreasing to 1 by 7 PM. This dynamic progression underscores the critical importance of sun safety during the peak hours of the day, particularly from noon to mid-afternoon.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | 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 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal changes throughout the year, peaking during the summer months. January and December record the lowest UV levels (Index 2), classified as low exposure, allowing for a burn time of 45 minutes. As spring approaches, February and March see a rise in UV levels to 3 and 5, indicating moderate exposure and shorter burn times of 30 minutes. The highest UV Index occurs from April to August, reaching 10 during the summer, which is categorized as very high, meaning individuals can burn in as little as 15 minutes under direct sunlight. As fall arrives, September and October show a decrease to 7 and 5, indicating high to moderate levels of risk respectively, with burn times extending back to 25 and 30 minutes. Visitors and residents are advised to take protective measures, especially from April through August, when the risk of UV-related harm is at its peak; wearing sunscreen, hats, and UV-protective clothing, and seeking shade is essential during these high-risk months.
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 |
| Dzadgay | 2 | 3 | 5 | 8 | 10 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |