Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Rybinsk, Russian Federation, where the climate lends itself to varying UV exposure throughout the year. With maximum UV levels reaching 7 around midday, awareness of these fluctuations is vital for sunburn prevention and maintaining overall skin health. Being informed about UV risks helps you make smart decisions about sun protection, especially given Rybinsk's Dfb climate, characterized by warm summers that can ramp up UV intensity. By staying vigilant, you can enjoy the sun safely while safeguarding your skin from harmful rays.
The UV Index unfolds throughout the day with a compelling rhythm, starting low at 7:00 AM with a value of 2, slowly climbing to a peak of 7 by 12:00 PM. As the sun reaches its zenith, it bathes the landscape in vibrant rays, prompting the highest readings of the day. Following this midday surge, the index begins its graceful descent, dropping to 6 at 1:00 PM, then easing back to 5 by 3:00 PM. As afternoon fades into evening, the UV intensity diminishes, with values retreating to 1 by 7:00 PM. This hourly journey highlights the importance of sun safety during the peak hours, particularly between 10:00 AM and 2:00 PM, when the UV Index reaches its striking heights.
| 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 | 5 | moderate | 30 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences notable fluctuations, with significant increases occurring in the spring and summer months. High-risk periods for UV exposure are observed during June, July, and August, where the UV Index reaches values of 6 to 7, categorizing them as high risk with a burn time of just 25 minutes. As the seasons transition into fall and winter, the UV Index drops significantly, falling to levels of 1 to 2 by October to December, which is classified as low risk. For visitors and residents, it is crucial to exercise caution during the high-risk months by wearing sunscreen, protective clothing, and limiting sun exposure, especially during peak sun hours, to prevent skin damage. It's essential to remain vigilant about UV levels year-round, adjusting sun safety practices accordingly.
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 |
| Rybinsk | 1 | 2 | 4 | 4 | 5 | 7 | 6 | 6 | 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 |