Last updated: July 2, 2025
In Ust'-Ilimsk, Russian Federation, staying informed about the UV Index is essential for safeguarding your skin from the sun's harmful rays. Understanding UV levels not only helps in preventing sunburn but also plays a crucial role in maintaining long-term skin health. Ust'-Ilimsk, with its Dfc climate, experiences varying UV exposure throughout the day, peaking at a level 6 between noon and 2 PM. Being aware of these levels is vital, especially during the summer months when the risk of overexposure is heightened. Make sun safety a priority by checking the UV Index regularly to enjoy the outdoors responsibly!
The UV Index throughout the day presents a clear peak in intensity, rising steadily from a gentle 1 at 07:00 to an assertive maximum of 6 between 12:00 and 14:00. This midday surge emphasizes the importance of sun protection, as the index then gracefully descends back to 1 by 19:00. From 08:00 to 11:00, values increase moderately, showcasing an inviting morning glow, while midday hours certainly warrant caution as the sun reaches its zenith. After 15:00, a gradual decline signals a retreat of UV intensity, allowing a more relaxed late afternoon. Armed with this timely information, outdoor enthusiasts can plan their activities with sun safety in mind!
| 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 | 6 | 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 |
The UV Index varies seasonally, indicating changing levels of sun exposure risks throughout the year. January and February typically have a low UV Index of 1-2, allowing for longer safe exposure times of 45 minutes. As spring approaches, March sees an increase to a moderate UV Index of 4, warning residents and visitors to limit exposure to 30 minutes. This moderate risk continues through April and May, where UV levels remain at 5. The summer months from June to August pose a higher risk, with UV Index values peaking at 7 in June and reaching 6 in July and August, necessitating careful monitoring of sun exposure with limited burn times to 25 minutes. In September, the UV Index decreases to 4, followed by 3 in October, both categorized as moderate. Finally, November and December return to a low UV Index of 1, allowing for the safest exposure time of 45 minutes. Residents and visitors are advised to adjust their sun protection measures accordingly, particularly during the high-risk months of June, July, and August, to minimize the risk of sunburn and long-term 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 |
| Ust'-Ilimsk | 1 | 2 | 4 | 5 | 5 | 7 | 6 | 6 | 4 | 3 | 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 |