Last updated: June 2, 2025
Understanding the UV Index is essential for the residents of Sayansk, Russian Federation, as it directly impacts skin health and helps prevent harmful sunburns. With the unique Dwc climate of Sayansk, which features cold winters and warm summers, knowing the UV levels can empower locals to take necessary precautions during peak hours. The UV Index can reach a high of 7 between noon and 2 PM, signaling an increased risk for sun exposure. By staying informed, you can enjoy the sun safely and protect your skin from long-term damage.
As the day unfolds, the UV Index begins at a modest 1 at 7:00 AM, indicating low sun exposure. By 9:00 AM, it rises to a 3, signaling a gentle increase in UV rays. The sun reaches its peak intensity around noon, with the index hitting 7—a reminder to stay protected. From 12:00 PM to 2:00 PM, the index holds steady at this elevated level, ideal for sun safety measures. As the afternoon progresses, the UV Index gradually declines: 6 at 3:00 PM, then tapering to 2 by 6:00 PM, and finally back to 1 by 7:00 PM. It’s a clear reminder that while the sun’s power peaks early in the day, it’s essential to stay aware of UV exposure throughout.
| 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 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | 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 increases during the warmer months. January and February see a low UV Index of 1 and 2, allowing for a safe burn time of 45 minutes. As spring arrives, UV levels rise in March and April, reaching a moderate UV Index of 4 and 5, which shortens burn time to 30 minutes. A critical transition occurs in May, where the UV Index escalates to 7, marking the beginning of high-risk months that last through August. During these peak summer months, the burn time decreases to 25 minutes, indicating a need for increased sun protection. September and October bring a return to moderate exposure, while November and December return to the low UV Index of 1, with burn times of 45 minutes. Visitors and residents should prioritize sun safety, particularly from May to August, by applying sunscreen, wearing protective clothing, and seeking shade 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 |
| Sayansk | 1 | 2 | 4 | 5 | 7 | 7 | 7 | 7 | 5 | 3 | 1 | 1 |