Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Tseel, Mongolia, where the sun's rays can be particularly harsh. As a community situated in the BSk climate zone, Tseel experiences significant UV exposure, especially during midday hours, which can reach up to a UV Index of 10. Being aware of these levels is vital not just for preventing sunburn but also for maintaining long-term skin health. With peak UV levels typically occurring between 11:00 AM and 1:00 PM, taking protective measures can make all the difference in enjoying the beautiful outdoors safely.
As the sun rises, the UV Index gradually climbs, starting at a modest 2 by 7:00 AM. By 10:00 AM, it ramps up to a more noteworthy 7, signaling a stronger sun. The peak occurs between 12:00 PM and 1:00 PM, where it reaches an intense 10, making this the most critical time for sun protection. As the afternoon progresses, the index begins to dip, dropping to 9 at 2:00 PM and further declining to 5 by 4:00 PM. As the day winds down, the UV Index tapers off to 2 by 6:00 PM and finally settles at 1 by 7:00 PM. This data underscores the importance of taking precautions, especially during midday hours when the sun is at its strongest!
| 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 | 8 | very high | 15 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 |
The UV Index exhibits significant seasonal changes, peaking during the summer months of May and July, where it reaches an extreme level of 11, indicating a burn time of just 10 minutes. High-risk months for UV exposure are April through August, with April (UV Index 9) and May (UV Index 11) being particularly critical, where exposure can lead to skin damage in minimal time. As the year progresses into the cooler months, the UV Index decreases significantly, dropping to a low of 2 in January and December. Visitors and residents are strongly advised to take precautions during high UV Index periods, including wearing protective clothing, applying sunscreen frequently, and seeking shade to mitigate the risk of UV-related health issues during these 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 |
| Tseel | 2 | 3 | 6 | 9 | 11 | 10 | 11 | 10 | 7 | 5 | 3 | 2 |