Last updated: July 2, 2025
In Chistogorskiy, Russian Federation, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. The UV Index, which measures the strength of ultraviolet (UV) radiation, helps residents and visitors alike to understand when sun exposure can become harmful. With a Dfb climate, Chistogorskiy experiences varying levels of UV exposure throughout the day, peaking between 11 AM and 2 PM with values reaching up to 7. Recognizing these UV levels empowers individuals to take appropriate precautions, ensuring safe outdoor activities while safeguarding their skin against long-term damage.
The UV Index reveals a dynamic pattern throughout the day, peaking at 7 between 1 PM and 2 PM. Early risers will experience a mild index of 1 at 7 AM, gradually increasing to 2 by 8 AM. As the sun climbs higher, the index escalates quickly, reaching 4 at 10 AM, and hitting 5 at 11 AM. By noon, it further intensifies to 6, showcasing the sun's potency. As afternoon sets in, the index remains strong at 7 before gently declining to 6 by 3 PM and tapering off to 4 by 4 PM. As evening approaches, the UV intensity drops steadily, landing at 1 by 7 PM, a gentle reminder to enjoy the sun wisely.
| 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 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | 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, the UV Index changes significantly, influencing the risk of overexposure to UV radiation. From January to February, the UV levels remain low (Index 1-2), allowing for extended exposure times of up to 45 minutes without significant risk. As the year progresses into March and April, UV exposure increases to a moderate level (Index 4-5), with a reduced burn time of 30 minutes. The high-risk months of May through August experience UV readings of 7-6, marking critical periods where skin can burn within 25 minutes. September through October sees a return to moderate levels (Index 5-3), with burn times reverting to 30 minutes. As winter approaches in November and December, UV levels drop back to low (Index 2-1), allowing for longer exposure times once again. To protect yourself during the high-risk months, it is advised that residents and visitors seek shade, wear protective clothing, and apply sunscreen regularly, especially between 10 AM and 4 PM when UV radiation is strongest.
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 |
| Chistogorskiy | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |