Last updated: June 2, 2025
In Ulaan-Uul, Mongolia, awareness of the UV Index is crucial for safeguarding your skin health, especially given the city's BWk climate, which often exposes residents to heightened UV levels. Understanding UV exposure is vital not only for preventing painful sunburns but also for reducing long-term risks such as skin cancer. With UV Index values peaking at 10 during midday hours, Ulaan-Uul’s residents should stay informed about the daily UV trends to enjoy outdoor activities safely, making sun protection an essential part of their routine.
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 |
As the seasons change, so does the UV Index, reflecting varying levels of sun exposure and associated risks throughout the year. High-risk months typically occur from May to August, during which the UV Index reaches its peak at 10, indicating a very high exposure category and a burn time of only 15 minutes. This highlights the need for extra caution, including the use of sunscreen, protective clothing, and seeking shade during peak sun hours. Conversely, in the winter months of January and December, the UV Index drops to 2, indicating a low exposure category with longer burn times of 45 minutes. Visitors and residents are advised to remain vigilant of UV levels, especially during the warmer months, to protect their skin from harmful effects.
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 |
| Ulaan-Uul | 2 | 3 | 6 | 7 | 9 | 10 | 10 | 10 | 7 | 5 | 3 | 2 |