Last updated: July 2, 2025
In Bologoye-4, understanding the UV Index is crucial for maintaining skin health and preventing sunburn. With a Dfb climate characterized by distinct seasonal changes, residents and visitors alike should be aware of the varying UV levels throughout the day. During peak hours, particularly between 12:00 PM and 1:00 PM when the index can reach 7, the risk of overexposure increases significantly. Being informed about these levels not only helps in protecting your skin but also ensures you can enjoy the beautiful outdoors safely, minimizing long-term health risks associated with UV exposure.
As the sun rises, the UV Index begins its ascent, with a maximum of 1 at 07:00. By 08:00, it nudges up to 2, and then steadily climbs to 3 at 09:00. The intensity peaks at 12:00 and 13:00, reaching a robust 7. From there, the index gradually declines, dropping to 6 by 14:00, and easing into the afternoon with readings of 5 at 15:00 and 4 by 16:00. As the day winds down, the UV Index dips to 3 at 17:00, and finally settles back to 1 by 19:00. This progression underscores the importance of sun protection during midday when UV levels are at their highest.
| 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 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | 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, UV exposure varies significantly, with notable seasonal changes impacting both residents and visitors. From January to February, the UV Index remains low (1-2), allowing for a burn time of 45 minutes, making skin protection less critical. March and April see a moderate rise (UV Index 3-4) with a reduced burn time of 30 minutes, suggesting that some protective measures are advisable during outdoor activities. The risk peaks in the high-risk months of May through August, where the UV Index reaches between 6 and 7, and burn time drops to just 25 minutes—strongly advising the use of sunscreen, protective clothing, and hats. As the year transitions into September with a moderate UV Index (4), and then back to low levels from October to December (1-2), residents should be reminded that vigilance is key during these warmer months to avoid skin damage while enjoying the outdoors.
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 |
| Bologoye-4 | 1 | 2 | 3 | 4 | 6 | 7 | 7 | 6 | 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 |