Last updated: May 3, 2025
Awareness of the UV Index is crucial for residents of Ostrogozhsk, Russian Federation, where the climate can lead to varying levels of sun exposure. With peak UV levels reaching as high as 7 during midday hours, understanding these readings is essential for preventing sunburn and protecting skin health. This knowledge becomes even more important in Ostrogozhsk's Dfb climate, characterized by distinct seasons and potential sun exposure risks, particularly in summer. Staying informed about daily UV trends can empower you to safeguard your skin, ensuring you enjoy the sun safely and prevent long-term damage.
The UV Index varies throughout the day, peaking during the midday hours. Starting at 07:00, the index begins at a modest 2, gradually climbing to 3 by 08:00. A steady rise continues until it reaches its apex of 7 at 11:00, where it remains steady through 12:00 and 13:00. As the afternoon approaches, the index starts to dip, falling to 6 by 14:00 and continuing down to 5 at 15:00. By 16:00, it drops further to 3, and as evening settles in, the levels retreat to 2 by 17:00, before tapering off to 1 at both 18:00 and 19:00. This pattern underscores the importance of sun protection during the peak hours when UV exposure is highest.
| 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 | 7 | 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 |
As the seasons change, so do the UV levels, significantly impacting sun exposure safety for visitors and residents. January features a low UV Index of 2, increasing to a moderate 3 in February. A noticeable rise occurs in March (UV Index 5) and peaks in the summer months of June and July, where the UV Index reaches 8, categorized as very high with a burn time of just 15 minutes. This trend highlights April and May as high-risk months too, with UV levels of 6 and 7, respectively. In contrast, the UV Index falls again to moderate levels in August and September, before decreasing to low levels in November and December. To ensure safety, it is advised that individuals take extra precautions during the high-risk months of April through July, such as wearing protective clothing, seeking shade, and applying sunscreen regularly, particularly 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 |
| Ostrogozhsk | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |