Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Log, Russian Federation, as it plays a vital role in protecting skin health and preventing sunburn. With the region's Dfa climate, known for its warm summers, awareness about UV levels becomes even more essential. During peak hours, particularly between 11:00 AM and 1:00 PM, UV Index values can reach as high as 8, indicating a significant risk for harm without proper protection. By staying informed about daily UV exposure risks, you can enjoy the outdoors while safeguarding your skin from potential damage.
In the early hours, from 07:00 to 08:00, the UV Index remains low, peaking at just 3, making it a safe time for outdoor activities without much concern. As the day progresses, the UV Index begins to climb, reaching 5 by 09:00. The real intensity emerges between 10:00 and 12:00, where readings peak at an impressive 8 during 11:00 and 12:00, suggesting that sun protection is essential. The intensity eases slightly in the afternoon, dropping to 7 by 14:00 before tapering off to 5 at 15:00. As the sun sets, the UV Index declines rapidly, plummeting to 2 by 17:00 and trailing off to a gentle 1 by 19:00, signifying a perfect end to the day for evening strolls with minimal UV exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 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, the UV Index exhibits significant seasonal variations, with the highest levels occurring from May to July, categorized as very high with a burn time of just 15 minutes. April marks the transition into higher UV exposure, registering a UV Index of 6 and a high exposure category. Conversely, the winter months of January, November, and December remain in the low exposure category, with burn times up to 45 minutes. Visitors and residents should be particularly cautious during the high-risk months of May, June, and July, when it is crucial to seek shade, wear protective clothing, and apply sunscreen regularly to minimize the risk of skin damage. As the UV Index decreases in the fall and winter, vigilance can be relaxed, but some level of sun protection remains advisable year-round.
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 |
| Log | 2 | 3 | 5 | 6 | 8 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |