Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Yefremov, Russian Federation, where elevated sun exposure can significantly impact skin health. With a Dfb climate, characterized by warm summers and cold winters, the UV levels can peak unexpectedly, making it essential to know when to seek shade and wear protective clothing. For instance, during midday hours, the UV Index can reach as high as 7, indicating a moderate to high risk of harm from unprotected sun exposure. By staying informed about UV levels, you can effectively prevent sunburn, reduce skin cancer risks, and enjoy the outdoors safely.
The UV Index shows a clear progression throughout the day, peaking at 12:00 PM with a value of 7, indicating a high level of ultraviolet radiation. As the sun rises, it begins with a modest 2 at 07:00 AM, gradually climbing to a 5 by 10:00 AM and reaching its apex by noon. The intensity slightly declines after that, dropping to 6 at 2:00 PM, before tapering off to 1 by 6:00 PM. It's essential to plan your day accordingly, especially during the midday hours when sun protection is crucial.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index levels fluctuate significantly, with the highest risk occurring during the summer months. From March to September, the UV Index rises notably, reaching a peak of 8 in June, categorizing it as very high with a burn time of just 15 minutes. The months of May, June, July, August, and September represent the high-risk periods, where exposure management is crucial. Visitors and residents are advised to take precautionary measures during these months by wearing sunscreen, protective clothing, and seeking shade, especially during peak sun hours. In contrast, the winter months of January, February, November, and December see much lower UV levels, with an index of 2 or below, allowing for more lenient sun exposure guidelines. Overall, awareness and preparedness will help ensure safety against UV-related harm throughout the year.
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 |
| Yefremov | 2 | 2 | 5 | 5 | 7 | 8 | 7 | 7 | 6 | 3 | 2 | 1 |