Last updated: July 2, 2025
In Ayan, Russian Federation, understanding the UV Index is crucial for safeguarding your skin from harmful ultraviolet radiation. As residents enjoy the region's distinctive Dfc climate, awareness of UV levels can significantly curb risks such as sunburn and long-term skin damage. With the UV Index peaking at 7 around noon, it's essential for locals and visitors alike to take proactive sun protection measures. By staying informed, you can enjoy the stunning outdoors while keeping your skin healthy and protected against the sun's potentially harmful effects.
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 |
Throughout the year, the UV Index exhibits notable seasonal variations, with the highest risk months occurring from May to August, where values reach 6 or 7 and the exposure category is categorized as high. In contrast, the winter months of January, February, October, November, and December present a much lower risk, with UV Index levels between 1 and 2, allowing for a burn time of 45 minutes. Visitors and residents are advised to take precautions during the high UV months, such as applying sunscreen, wearing protective clothing, and limiting sun exposure during peak hours. Conversely, during the low UV months, while risks are minimal, it’s still wise to remain mindful of the sun's presence, especially in outdoor activities.
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 |
| Ayan | 1 | 2 | 3 | 5 | 6 | 6 | 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 |