Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Rostov, Russian Federation, where the climate brings distinct seasonal variations and significant sun exposure during warmer months. Being aware of UV levels helps in preventing sunburn and maintaining skin health, ultimately reducing the risk of long-term skin damage. With the UV Index peaking at 7 around midday, it’s essential to recognize the potential hazards posed by the sun, especially with Rostov’s Dfb climate characterized by hot summers and moderate UV exposure risks. Stay informed and protect yourself 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 |
| Rostov | 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 |