Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Sibay, Russian Federation, where the unique Dfb climate brings varying exposure throughout the day. With peak UV levels reaching 8 around noon, it's essential to grasp the risks linked to sun exposure, such as sunburn and long-term skin health issues. By being aware of the UV Index, you can take proactive measures to protect yourself and enjoy the outdoors safely, especially during those sunny summer days when the sun's rays can be particularly intense!
The UV index throughout the day reveals a fascinating pattern of sun intensity. Early risers will notice a gentle start at 1 around 7:00 AM, gradually climbing to a moderate 3 by 9:00 AM. As the sun reaches its peak, the index hits 6 at 11:00 AM, escalating to an impressive 8 from 12:00 PM to 2:00 PM—the height of solar exposure. After this, the UV levels begin to wane, dropping to 7 at 3:00 PM, and further decreasing to moderate numbers of 5, 3, and 2 as the sun sets, concluding the day with a calm 1 at 7:00 PM. Remember, during the peak hours, sun safety is crucial!
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | 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, the UV Index shows significant seasonal variations, impacting both residents and visitors. January and December feature a low UV Index of 1, with a burn time of 45 minutes, making sun exposure relatively safe. As spring approaches, February and March see moderate conditions (UV Index 3 and 5, respectively), with a burn time of 30 minutes. The UV Index rises sharply in April and May to 6 and 7, indicating high risk, with burn times dropping to 25 minutes. The peak occurs in July with a very high index of 8 and a mere 15-minute burn time, making this the highest risk month for harmful solar exposure. As summer transitions to autumn, August and September revert to high and moderate levels respectively, before dropping back to low levels by November. Residents and visitors should take precautions—such as wearing sunscreen, protective clothing, and seeking shade—especially during the high-risk months of July and August to minimize UV exposure and minimize 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 |
| Novosibirsk UVI | 1 | 2 | 4 | 5 | 7 | 7 | 6 | 6 | 5 | 3 | 1 | 1 |
| Sibay | 1 | 3 | 5 | 6 | 7 | 7 | 8 | 7 | 5 | 4 | 2 | 1 |