Last updated: June 2, 2025
In Bol'shoe Isakovo, Russian Federation, understanding the UV Index is essential for protecting your skin and overall health. With a Dfb climate, residents and visitors are exposed to varying levels of ultraviolet radiation, particularly during the peak hours of 10 AM to 2 PM when the UV Index can reach up to 7. Being aware of these UV levels is crucial for sunburn prevention and maintaining skin health, as consistent overexposure can lead to serious consequences. By monitoring the UV Index, you can make informed decisions to safely enjoy the outdoors while minimizing your risk of skin damage.
The UV Index during the day begins at a moderate level of 2 at 7:00 AM, gradually increasing to a peak of 7 between 12:00 PM and 2:00 PM, signaling the strongest sun exposure. From 8:00 AM, you'll notice a steady rise, reaching 4 by 9:00 AM and 5 at 10:00 AM. As the day progresses, it hits 6 at 11:00 AM, making it essential to take precautions if you're outdoors. After the peak hours, the index gradually declines, dropping to 6 at 3:00 PM, before falling back to 4 by 4:00 PM. The evening brings a welcome relief as the UV Index drops to 2 by 6:00 PM and settles at 1 by 7:00 PM, indicating lower levels of sun exposure as night approaches. Always remember to protect your skin during those peak hours!
| 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 | 7 | 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 |
Throughout the year, seasonal UV changes reveal significant fluctuations in the UV Index, influencing how individuals should protect their skin from harmful sun exposure. The high-risk months for UV radiation are primarily from May to August, where the UV Index peaks at 6 to 7, indicating a high level of exposure risk with a burn time of just 25 minutes. In contrast, the winter months from November to February exhibit low UV levels (1 to 2), allowing for longer burn times of up to 45 minutes. Residents and visitors are advised to take extra precautions during the high-risk months by wearing sunscreen, protective clothing, and seeking shade when outdoors, to minimize the risk of sunburn and long-term 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 |
| 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 |
| Bol'shoe Isakovo | 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 |