Last updated: June 2, 2025
Understanding the UV Index is essential for residents and visitors of Bol'shoy Karay, a region characterized by its unique Dfb climate. With UV levels rising significantly throughout the day—peaking at an 8 during the midday hours—awareness is key for sunburn prevention and overall skin health. Recognizing these fluctuating UV levels can help you take proactive measures to protect yourself from harmful effects of sun exposure, especially in a climate where sunshine can be both inviting and intense. Stay informed and enjoy the outdoors safely!
The UV index throughout the day reveals a fascinating pattern of sun intensity. Early risers will notice a gentle start at 1 around 7:00 AM, gradually climbing to a moderate 3 by 9:00 AM. As the sun reaches its peak, the index hits 6 at 11:00 AM, escalating to an impressive 8 from 12:00 PM to 2:00 PM—the height of solar exposure. After this, the UV levels begin to wane, dropping to 7 at 3:00 PM, and further decreasing to moderate numbers of 5, 3, and 2 as the sun sets, concluding the day with a calm 1 at 7:00 PM. Remember, during the peak hours, sun safety is crucial!
| 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 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do the UV levels, significantly impacting sun exposure safety for visitors and residents. January features a low UV Index of 2, increasing to a moderate 3 in February. A noticeable rise occurs in March (UV Index 5) and peaks in the summer months of June and July, where the UV Index reaches 8, categorized as very high with a burn time of just 15 minutes. This trend highlights April and May as high-risk months too, with UV levels of 6 and 7, respectively. In contrast, the UV Index falls again to moderate levels in August and September, before decreasing to low levels in November and December. To ensure safety, it is advised that individuals take extra precautions during the high-risk months of April through July, such as wearing protective clothing, seeking shade, and applying sunscreen regularly, particularly during peak hours.
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 Karay | 2 | 3 | 5 | 6 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |