Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Lev Tolstoy, Russian Federation, where the temperate Dfb climate brings varying levels of sun exposure throughout the year. High UV levels, particularly peaking around midday with indexes reaching up to 7, can pose significant risks to your skin, including sunburn and long-term damage. Staying informed about these UV levels not only helps prevent immediate discomfort but also promotes better skin health in the long run. With the right awareness and precautions, you can enjoy the outdoors safely while minimizing your risk of harmful UV exposure.
As the sun rises, the UV Index begins a steady climb, starting at a gentle 2 by 7:00 AM. By 8:00 AM, it nudges up to 3, and by 9:00 AM, it reaches 4, signaling a brightening day ahead. The 10:00 AM mark breaks into the moderate range at 5, but it’s at 11:00 AM when the UV Index peaks at a robust 6. The intensity continues, maintaining a high of 7 at noon and 1:00 PM, urging sunbathers and outdoor enthusiasts to take precautions. As the afternoon progresses, the intensity dips to 6 by 2:00 PM, and further decreases through the late afternoon, settling at 4 by 3:00 PM. By the evening, the UV Index falls to a more manageable 2 at 5:00 PM and finally cools to 1 by 6:00 PM and 7:00 PM, wrapping up a day of varying sunlight exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | 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 | 6 | high | 25 min |
| 15:00 | 4 | 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, the UV Index fluctuates, significantly impacting sun exposure risks for both visitors and residents. The high-risk months typically span from May to September, with the UV Index peaking at 8 in June, signifying very high exposure levels and a burn time of just 15 minutes. Visitors are advised to take precautions during these months, including wearing protective clothing and sunscreen, especially between late spring and early autumn when the index rises to moderate (4-5) in March and April, and remains high (6-7) through the summer. January, February, and November provide safer conditions with a low exposure category, while December sees a particularly low risk with an index of 1. To ensure safety, it's essential to stay informed and adjust sun exposure habits according to seasonal UV changes.
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 |
| Lev Tolstoy | 2 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 6 | 3 | 2 | 1 |