Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Port-Katon, Russian Federation, where the Cfa climate brings warm summers that can elevate UV exposure risks. As daily UV levels peak, particularly between 10 AM and 2 PM, awareness plays a key role in sunburn prevention and maintaining overall skin health. With UV Index readings frequently reaching 8, it's essential to take precautions to protect your skin from harmful rays. Stay informed, and enjoy the sun safely!
The UV Index fluctuates throughout the day, peaking at 8 between noon and 1 PM. Early risers will find the UV Index at its lowest, starting at just 1 at 7 AM. As the sun climbs higher, it swiftly escalates to 3 by 8 AM and hits 6 by 10 AM, making it essential to start protecting your skin early. The index reaches its maximum of 8 at 12 PM, maintaining this level until 1 PM, signaling the highest risk for UV exposure. After this peak, the index gradually declines, dropping to 7 at 2 PM and then tapering off to 5 by 3 PM. By the evening, levels settle to a safe 1 by 7 PM, reminding us to stay vigilant during those mid-day hours when the sun's rays are most intense. Stay sun-smart and enjoy your day!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | 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 |
Throughout the year, seasonal changes in UV Index can significantly impact sun safety measures for visitors and residents. Generally, high-risk months include May through August, when the UV Index peaks at 8 or 9, classified as very high, with a burn time as short as 15 minutes. During this period, it is crucial to take precautions such as wearing sunscreen, protective clothing, and seeking shade. Conversely, the UV Index is low to moderate from January to April and from September to December, with safer exposure levels and longer burn times. January and December present the lowest risk, but it is still advisable to remain vigilant regarding sun exposure during all months, particularly in transitional periods like March and September when UV levels can rise unexpectedly.
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 |
| Port-Katon | 2 | 3 | 5 | 7 | 8 | 8 | 9 | 8 | 6 | 4 | 3 | 2 |