Last updated: July 2, 2025
Awareness of the UV Index is crucial for residents of Ust'-Uda, Russian Federation, where the climate often presents varying levels of sunlight exposure throughout the year. Understanding UV levels not only aids in preventing sunburn but is also essential for maintaining overall skin health. With the typical daily maximum reaching up to 7 in mid-afternoon, locals need to be vigilant, especially during the sunnier months. Given Ust'-Uda's Dwc climate, which experiences considerable temperature swings, it's important to stay informed about UV risks and take appropriate precautions to enjoy the outdoors safely.
As the sun rises, the UV Index (UVI) begins its ascent, starting with a mild level of 1 at 7:00 AM. By 9:00 AM, it reaches a level 3, indicating an increase in solar intensity. The real peak occurs at noon when the UVI hits a robust 7, representing the highest risk for harm from unprotected sun exposure. This high intensity persists until 3:00 PM, when it gradually recedes to a level of 6. As the afternoon wanes, the UVI dips further, dropping to 5 at 4 PM and finally back to a gentle 1 by 7 PM, allowing for a safe and comfortable evening. Remember, the hours between 10 AM and 3 PM mark the most crucial times for sun safety!
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 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 |
Throughout the year, UV exposure varies significantly, with notable increases during the warmer months. January and February see a low UV Index of 1 and 2, allowing for a safe burn time of 45 minutes. As spring arrives, UV levels rise in March and April, reaching a moderate UV Index of 4 and 5, which shortens burn time to 30 minutes. A critical transition occurs in May, where the UV Index escalates to 7, marking the beginning of high-risk months that last through August. During these peak summer months, the burn time decreases to 25 minutes, indicating a need for increased sun protection. September and October bring a return to moderate exposure, while November and December return to the low UV Index of 1, with burn times of 45 minutes. Visitors and residents should prioritize sun safety, particularly from May to August, by applying sunscreen, wearing protective clothing, and seeking shade during peak hours.
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 |
| 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 |
| Ust'-Uda | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 7 | 5 | 3 | 1 | 1 |