Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Ider, Mongolia, as it serves as a vital indicator of sun exposure and its potential health impacts. Being aware of the UV levels throughout the day can help residents effectively prevent sunburn and safeguard their skin health. With Ider situated in a Dwc climate zone, the region experiences significant UV radiation, particularly during midday hours, where indices can peak at 9. By staying informed about the UV Index, you can enjoy the beautiful Mongolian sun while minimizing risks to your health.
Throughout the day, the UV Index fluctuates dramatically, peaking during the midday hours. Starting at a low of 1 at 07:00, the index rises steadily, reaching 3 by 09:00. As 10:00 approaches, it escalates to 5, but the real intensity hits between 12:00 and 14:00 when it peaks at 9. During this window, it's crucial to take sun safety precautions. As the afternoon progresses, the UV levels begin to taper off, dropping to 8 at 15:00 and gradually declining further to 3 by 18:00. Finally, the UV Index returns to its morning low of 1 by 19:00, marking a safe end to sun exposure for the day.
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do UV levels, significantly impacting exposure risks for visitors and residents. From January to March, the UV Index gradually increases from a low risk of 2 to a moderate risk of 5, with burn times decreasing from 45 minutes to 30 minutes. However, April to August herald the peak months for UV exposure, with levels soaring to very high at an index of 9 and burn times as short as 15 minutes. September sees a decline to a high risk of 6, while October returns to a moderate risk before the UV levels drop again in November and December, reaching low levels of 2 and 1, respectively. It is essential for everyone to take precautions, especially during high-risk months from April to August, by wearing sunscreen, protective clothing, and seeking shade to minimize potential sun damage.
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 |
| Ider | 2 | 3 | 5 | 8 | 9 | 9 | 9 | 9 | 6 | 5 | 2 | 1 |
| Khovd UVI | 2 | 3 | 6 | 7 | 10 | 10 | 9 | 9 | 7 | 5 | 2 | 1 |