Last updated: June 2, 2025
In Dzag, Mongolia, staying aware of the UV Index is crucial for protecting your skin health and preventing painful sunburns. The region experiences a BSk climate, characterized by dry and sunny conditions, leading to heightened UV exposure, especially during peak hours around midday. Understanding the varying UV levels throughout the day—where values can soar to a significant 10 by 1 PM—empowers residents and visitors alike to take proactive measures against harmful UV radiation. Prioritizing sun safety is essential to enjoy the beautiful outdoors without risking long-term skin damage.
As the sun rises, the UV Index gradually climbs, starting at a modest 1 at 07:00. By 08:00, it reaches 2, signifying a gentle increase in sunlight exposure. The intensity peaks dramatically at 12:00, hitting 9, and stays high with a maximum of 10 from 13:00 to 14:00, indicating the need for sun protection during this time. As the day progresses, the UV Index begins to wane, dropping to 8 by 15:00 and further declining to 5 by 17:00. As evening approaches, the numbers fall back to 3 at 18:00 and retreat to 1 by 19:00. This data highlights the importance of staying shielded during the peak hours of 10:00 to 15:00, when UV exposure is at its highest.
| 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 | 8 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable seasonal variations that significantly affect sun safety for visitors and residents. High-risk months occur from April to August, where the UV Index peaks at 11 in May and holds at 10 from June to August, classifying these months under the very high to extreme exposure categories, with burn times dropping to as low as 10 minutes. In contrast, the UV Index remains low in January and December (values of 2), allowing for much safer sun exposure with burn times extending to 45 minutes. To ensure safety, it is crucial for individuals to take protective measures, including wearing sunscreen, hats, and protective clothing, particularly during the high-risk months, as direct sunlight can cause skin damage in a matter of minutes. Always check the UV Index before outdoor activities and plan accordingly.
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 |
| Dzag | 2 | 3 | 5 | 8 | 11 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |