Last updated: June 2, 2025
In Bol'shoy Kamen', Russian Federation, awareness of the UV Index is crucial for safeguarding your skin and overall health. The UV Index reveals the intensity of ultraviolet radiation, helping residents and visitors alike understand when to take precautions against sunburn and long-term skin damage. With a climate characterized as Dwb, Bol'shoy Kamen' experiences significant UV exposure, especially during midday hours when the index peaks at a concerning 10 around 1 PM. By staying informed about these UV levels, you can easily enjoy the sun while minimizing health risks.
The UV Index throughout the day paints a clear picture of sun intensity. Starting from a gentle 1 at 07:00, the UV levels gradually rise, peaking at an intense 10 by 13:00. This midday spike calls for caution as sun exposure increases significantly. As the afternoon progresses, from 14:00 to 15:00, the index slightly dips to 9 and 8, respectively, before gradually falling off to 6 at 16:00 and down to a mellow 1 by 19:00. For outdoor enthusiasts, the window between 11:00 and 13:00 is the time to enjoy the sun while remaining mindful of skin protection.
| 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 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 8 | very high | 15 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, the UV Index fluctuates significantly, leading to varying levels of skin exposure risk. From January to February, the UV Index remains low to moderate, with burn times of 45 minutes and 30 minutes, respectively. A notable shift occurs in March, as it rises to a moderate level of 5, with a burn time of 30 minutes, indicating the approach of stronger sunlight. The months of April and May see the index peak at 7, categorized as high, where protective measures should be taken after just 25 minutes of exposure. The risk escalates in the summer months, with June to August registering very high to extreme levels, particularly in August when the UV Index reaches 11, allowing only 10 minutes of safe sun exposure. September remains critical with a UV Index of 8, transitioning to moderate levels in October and November, before returning to low levels in December. Given these fluctuations, it is crucial for visitors and residents to take protective measures—such as using sunscreen and wearing hats—especially during the high-risk months of late spring to summer (April through August).
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 |
| Bol'shoy Kamen' | 2 | 3 | 5 | 7 | 7 | 10 | 9 | 11 | 8 | 5 | 3 | 2 |