Last updated: August 1, 2025
In Bayanbulag, Mongolia, understanding the UV Index is crucial for safeguarding your skin and overall health. With maximum UV levels peaking at a significant 9 during midday hours, awareness of these readings is essential to prevent sunburn and long-term skin damage. The town's Dwc climate means residents and visitors are exposed to varying UV rays, particularly during the warmer months. By staying informed about local UV levels, you can enjoy the great outdoors while effectively protecting yourself from harmful sun exposure.
The UV Index peaks significantly throughout the day, starting with a low 1 at 07:00 and rapidly climbing as the sun rises. By 10:00, it reaches 6, indicating a moderate risk for harm, which escalates sharply to a high of 9 between 12:00 and 13:00. This substantial index signifies that precautions are necessary, especially with the sun at its strongest. As the afternoon progresses, the UV Index gradually declines, dipping to 5 by 16:00, and further tapering off to a mere 1 by 19:00. For those outdoors, staying protected during the peak hours is critical for skin health!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 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 presents notable seasonal variations that are crucial for both visitors and residents. During the winter months of January and December, the UV Index is at its lowest (2), indicating a low exposure risk with a burn time of 45 minutes. As spring approaches, February and March see a moderate increase with UV Index values of 3 and 5, respectively, where caution is advised, particularly with a burn time of 30 minutes. The risk peaks in the summer, especially from May to August, when the UV Index reaches 9, categorized as very high, necessitating minimized sun exposure with a burn time of just 15 minutes. April and September follow closely with high (7) and moderate (4) levels, respectively. As winter arrives again, UV levels decrease back to their safer ranges. It is essential for everyone to take proper sun safety measures, particularly during the high-risk months of May through August, by using sunscreen, wearing protective clothing, and seeking shade whenever possible.
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 |
| Bayanbulag | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 9 | 7 | 4 | 3 | 2 |
| 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 |