Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Nerl', Russian Federation, as it plays a vital role in maintaining skin health and preventing sunburn. With the region's Dfb climate, characterized by warm summers, the risk of harmful UV radiation can peak during mid-day hours, especially when the UV Index reaches levels of 7 around 11:00 AM to 1:00 PM. By staying informed about daily UV levels, individuals can take necessary precautions, ensuring a safer and more enjoyable outdoor experience under the sun.
The UV Index throughout the day showcases a dramatic rise and fall in sun intensity. Starting at a mild 2 at 7:00 AM, the UV Index climbs steadily, reaching its peak of 7 from 11:00 AM to 1:00 PM—the prime time when sun protection is essential. As the afternoon progresses, the index begins to dip, dropping back to 6 by 2:00 PM and gradually decreasing further to 1 by 6:00 PM. This data highlights the importance of being vigilant during the midday hours when UV exposure is at its highest, ensuring skin safety while enjoying the outdoors.
| 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 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index exhibits notable seasonal changes, with high-risk months occurring between May and August, when the index reaches levels of 6 and 7, indicating a high exposure category and a burn time of just 25 minutes. Conversely, during the winter months of January, October, November, and December, the UV Index remains low, typically at 1 or 2, allowing for a burn time of 45 minutes. Residents and visitors should exercise caution during the spring and summer months, particularly in May through August, by seeking shade, wearing protective clothing, and applying sunscreen regularly. It's important to be mindful of these seasonal changes to ensure skin safety throughout the year.
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 |
| Nerl' | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 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 |