Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Nuden, Mongolia, where the BWk climate brings long, sunny days and an increased risk of harmful UV radiation. Knowing how UV levels fluctuate throughout the day is crucial for sunburn prevention and maintaining optimal skin health. With peak UV Index values reaching as high as 10 around midday, it's vital to take precautions, especially given Nuden's unique climate that can enhance sun exposure. Stay informed and protect your skin to enjoy the beautiful outdoors without worry!
The UVI hourly data reveals a distinct pattern throughout the day, showcasing the intensity of ultraviolet radiation. Starting at a mild 1 at 07:00, the UV Index climbs steadily, peaking at a maximum of 10 around noon. This signifies a peak exposure period, making it crucial to take protective measures such as wearing sunscreen or seeking shade. After the zenith at 12:00 and 13:00, the index gradually declines, dropping to 3 by the evening. As the day draws to a close, the UV levels return to a gentle 1 by 19:00. Be mindful of these fluctuations to enjoy sunny days safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 |
As the seasons change, so too do the levels of UV radiation, which have significant implications for residents and visitors. From January to February, UV exposure remains low to moderate, with burn times of up to 45 minutes. March sees a sharp increase, jumping to a high UV Index of 6, where the burn time decreases to 25 minutes. The months of April through August present the highest risks, with UV Index values peaking at 11 in July, where skin can burn in just 10 minutes. As summer wanes, September's UV Index of 7 reduces the burn time to 25 minutes, followed by more moderate levels in October and November. Finally, December returns to a low exposure category. For optimal safety, it is crucial for individuals to take protective measures—such as wearing sunscreen, hats, and sunglasses—especially during the high-risk months of April through August.
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 |
| Nuden | 2 | 3 | 6 | 8 | 9 | 10 | 11 | 10 | 7 | 5 | 3 | 2 |