Last updated: June 2, 2025
Understanding the UV Index in Ostashkov, Russian Federation, is crucial for protecting your skin and overall health. With UV levels reaching a peak of 7 around midday, awareness of these fluctuations can help residents and visitors alike avoid painful sunburns and long-term skin damage. Ostashkov's Dfb climate brings a mix of seasonal weather, but sunny days can elevate UV exposure risks significantly. By staying informed about daily UV levels, you can enjoy the outdoors safely while safeguarding your skin!
As the sun rises, the UV Index begins its ascent, starting at a mild 1 at 7:00 AM. By 8:00 AM, it increases to 2, signaling a gentle reminder to start taking sun protection seriously. The intensity picks up dramatically at 9:00 AM, reaching 4. The peak UV exposure occurs from 11:00 AM to 1:00 PM, where the index hits 6 and then soars to 7 – a crucial time to seek shade and apply sunscreen. As the afternoon progresses, UV levels gradually decline, dipping to 6 at 3:00 PM and falling further to 2 by 6:00 PM. Finally, the day winds down with a resting 1 at 7:00 PM, making it clear that awareness of UV exposure is vital throughout the day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 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 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | 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 |
| Nizhniy Novgorod UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |
| Ostashkov | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 2 | 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 |