Last updated: June 2, 2025
In Dzuunbulag, Mongolia, understanding the UV Index is essential for maintaining skin health and preventing sunburn. With its semi-arid climate, residents and visitors should be especially conscious of UV levels, which can reach a peak of 10 during midday hours. This guide will help you navigate the potential risks associated with sun exposure in the region, allowing you to enjoy the beautiful outdoors while effectively protecting your skin from harmful effects. By staying informed about UV Index levels, you can make safer choices when planning your activities under the sun.
The UV Index throughout the day exhibits a notable progression, peaking at 10 during the 12:00 PM to 1:00 PM hours, indicating a strong risk of harm from unprotected sun exposure. Starting at a mild 2 at 7:00 AM, the index climbs steadily, surpassing 5 by 9:00 AM and escalating dramatically to its maximum at 11:00 AM with a reading of 9. As the afternoon rolls in, the intensity wanes slightly, dropping to 8 by 2:00 PM, before gradually falling to 5 at 4:00 PM. By evening, the index lowers to a gentle 1 by 6:00 PM, suggesting a return to safer conditions as the sun sets. Staying shaded and using sunscreen is especially crucial during the midday hours for optimal sun safety.
| 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 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | 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. High-risk months include April to August, where the UV Index reaches its peak at 10 in June and remains between 9 and 7 for the subsequent months. During these periods, the burn time dramatically decreases to just 15 minutes, underscoring the importance of protection against harmful UV rays. In contrast, the months of January, November, and December present a much lower risk, with UV indices of 2 and burn times extending to 45 minutes. To ensure safety during high UV periods, visitors and residents should prioritize sun protection strategies, including wearing sunscreen, hats, and protective clothing, and seeking shade during peak hours.
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 |
| Dzuunbulag | 2 | 3 | 5 | 7 | 9 | 10 | 9 | 9 | 7 | 5 | 2 | 2 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |