Last updated: June 2, 2025
Understanding the UV Index in Vostok, Russian Federation is crucial for safeguarding your skin against harmful sun exposure. With UV levels reaching a peak of 8 between 1 PM and 2 PM, awareness of these fluctuations can be vital in preventing sunburn and promoting long-term skin health. Vostok's Dfc climate features cold winters and cool summers, yet the risk of UV exposure can still pose a challenge, especially during the summer months. Staying informed about the UV Index helps residents and visitors alike take the necessary precautions to enjoy the sun safely.
The UV Index throughout the day reveals a distinct pattern of increasing intensity as the sun rises. At 07:00, the index starts at a mild 1, gradually climbing to 2 by 08:00. As the day progresses, the intensity ramps up, peaking at an impressive 8 during the hours of 13:00 and 14:00—a clear indication that midday sun is at its most potent. After this height, the index begins to descend, dropping back to 6 at 16:00, and later settling at a more manageable 1 by 19:00. This hourly data clearly underscores the importance of sun protection during the midday hour for outdoor activities.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 4 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, with the highest risk months being June, July, and August, when the UV Index reaches extremely high levels of 8 to 9 and burn times drop sharply to just 15 minutes. In contrast, the lowest risk months are January, November, and December, with UV Index values of 1 to 2 and burn times extending to 45 minutes. As spring approaches, there is a noticeable increase in UV levels, particularly in April and May, when the UV Index rises to 7. Visitors and residents should be especially cautious during the summer months, applying sunscreen frequently, wearing protective clothing, and seeking shade during peak hours. In the cooler months, while risk is lower, it’s still wise to remain aware of UV exposure, especially during 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 |
| 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 |
| Vostok | 2 | 3 | 4 | 7 | 7 | 8 | 9 | 8 | 7 | 4 | 2 | 1 |