Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents of Ust'-Omchug, as it directly impacts sun safety and skin health. Understanding UV levels helps in preventing sunburn and reducing the long-term risks associated with UV exposure, such as skin cancer. In the climate of Ust'-Omchug, categorized as ET (tundra), even moderate UV levels can pose a threat, especially during peak hours when the index may reach as high as 7 around midday. Stay informed about the UV Index to enjoy the outdoors responsibly while protecting your skin!
Throughout the day, the UV Index shows a notable rise and fall, peaking sharply around 1 PM with a value of 7, indicating high levels of ultraviolet radiation. From 7 AM to 10 AM, the index remains low, peaking at 2 before climbing steadily to 5 by 10 AM. As the sun reaches its zenith, the UV Index escalates, hitting 6 by 11 AM and remaining at that level until just after noon. Following this midday peak, the UV intensity starts to decline gradually, dropping back to 4 by 4 PM and further to 1 by 7 PM. For those spending time outdoors, it's essential to take precautions during the peak hours between 11 AM and 2 PM to safeguard against skin damage.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index shows significant seasonal variability, indicating a shift from low to high risk for sun exposure throughout the year. From January to February, the UV Index remains low (1), allowing a burn time of 45 minutes. In March and April, it rises to moderate levels (3 and 5 respectively), decreasing burn time to 30 minutes. The months of May through August represent the peak risk period, with UV Index values reaching up to 7 and a burn time of just 25 minutes. Following this, September sees a decline to a moderate index of 4, then drops to low levels again in October, November, and December (1-2), with burn times returning to 45 minutes. Visitors and residents are advised to exercise heightened caution during high-risk months (May to August), utilizing sunscreen, protective clothing, and limiting sun exposure during peak hours to minimize the risk of UV-related skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Saint Petersburg UVI | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
| Ust'-Omchug | 1 | 1 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |
| Nizhniy Novgorod UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Yekaterinburg UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Moscow UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Novosibirsk UVI | 1 | 2 | 4 | 5 | 7 | 7 | 6 | 6 | 5 | 3 | 1 | 1 |