Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Ust'-Isha, nestled in the heart of the Russian Federation. With a climate categorized as Dfb, the region experiences distinct seasonal variations, but UV exposure can still pose significant risks, especially during the peak hours of 11 AM to 3 PM when the index reaches levels as high as 8. Being aware of UV levels is essential for sunburn prevention and maintaining overall skin health, as prolonged exposure can lead to serious skin issues. Take the time to check local UV forecasts, protect your skin, and enjoy the sunny days safely in Ust'-Isha!
The UV Index throughout the day showcases a dynamic range of solar intensity. At 07:00, it starts off gently at 1, perfect for early risers. As the sun climbs higher, the index rises to 2 by 08:00 and hits 3 by 09:00, indicating a gradual increase in UV exposure. The peak arrives at 13:00 with an impressive 8, urging outdoor enthusiasts to take precautionary measures. Following this, the intensity begins to recede, dropping to 6 by 15:00, and decreasing to 5 by 16:00. As dusk descends, the UV Index cools down to 2 at 18:00, finally settling back at 1 by 19:00. It’s a vivid reminder of how the sun's strength can fluctuate dramatically throughout the day!
| 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 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 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, seasonal changes in UV levels are significant, with noticeable peaks in the late spring and summer months. May and June stand out with a UV Index of 8, categorized as very high, indicating a burn time of just 15 minutes. This is followed closely by July and August, where the index remains at 7, classified as high with a burn time of 25 minutes. March and April experience moderate UV levels at 5, highlighting the need for protection, while the late fall and winter months (November to February) reflect a drop in UV exposure, ranging from low to moderate. Visitors and residents should be particularly vigilant during the high-risk months of May through August, using sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize potential skin damage.
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 |
| Ust'-Isha | 2 | 3 | 5 | 5 | 8 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |