Last updated: July 2, 2025
In Ulaandel, Mongolia, being aware of the UV Index is crucial for protecting your skin and promoting overall health. Understanding UV levels can help prevent sunburn and long-term skin damage, especially in a climate characterized by the BSk (cold semi-arid) zone, where sunlight can be intense. During peak hours, particularly between 10 AM and 2 PM, the UV Index can soar to 9, indicating a very high risk of harm from unprotected sun exposure. By staying informed on UV levels, Ulaandel residents can take proactive steps to safeguard their skin and enjoy the sunny days safely.
The UV Index rises swiftly throughout the morning, peaking at a maximum of 9 between 11:00 AM and 1:00 PM, indicating a high risk of harm from unprotected sun exposure. Early risers will encounter a modest 2 at 7:00 AM, but as the sun climbs, the intensity increases, reaching 3 by 8:00 AM and escalating to a notable 5 by 9:00 AM. By 10:00 AM, it's wise to seek shade or apply sunscreen as the index hits 7. As the afternoon approaches, the index dips slightly to 8 at 2:00 PM, before gradually declining to a gentle 1 by 6:00 PM, making late evening hours much safer for outdoor activities. Stay sun smart and enjoy the day!
| 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 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | 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 |
| Ulaandel | 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 |