Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Bryansk, Russian Federation, especially as the region experiences a Dfb climate characterized by warm summers and cold winters. With UV levels rising significantly throughout the day, peaking at 7 around midday, being aware of these fluctuations can help in preventing sunburn and protecting your skin health. As you enjoy the sunny days, recognizing the risks associated with high UV exposure is important to shield yourself from harmful effects and maintain optimal well-being. Stay informed and stay safe under the sun!
The UV Index (UVI) rises significantly as the day progresses, peaking at a maximum of 7 during the midday hours. From early morning, the UVI starts at a gentle 1 at 07:00, gradually increasing to 2 by 08:00. By 09:00, it climbs to 4, indicating a moderate level of UV exposure. The index reaches its pinnacle at 12:00, hitting 7 and remaining constant until 14:00, making this the optimal time for sun safety precautions. As the afternoon wanes, the index gradually declines, dropping to 5 by 15:00, followed by 4 at 16:00, and tapering off to a 2 by 18:00. Finally, the evening brings the UVI back down to a safe 1 by 19:00, allowing for a comfortable close to the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 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 | 5 | moderate | 30 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, the UV Index fluctuates, significantly impacting sun exposure risks for both visitors and residents. The high-risk months typically span from May to September, with the UV Index peaking at 8 in June, signifying very high exposure levels and a burn time of just 15 minutes. Visitors are advised to take precautions during these months, including wearing protective clothing and sunscreen, especially between late spring and early autumn when the index rises to moderate (4-5) in March and April, and remains high (6-7) through the summer. January, February, and November provide safer conditions with a low exposure category, while December sees a particularly low risk with an index of 1. To ensure safety, it's essential to stay informed and adjust sun exposure habits according to seasonal UV changes.
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 |
| Bryansk | 2 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 6 | 3 | 2 | 1 |