Last updated: July 2, 2025
Understanding the UV Index in Bol'shoy Karay is crucial for maintaining your skin health and preventing sunburn. With a Dfb climate, residents and visitors alike face varying levels of UV exposure throughout the day, peaking at a notable 8 between 1 PM and 2 PM. Staying informed about UV levels helps you take proactive measures to protect your skin, ensuring enjoyable outdoor activities without the fear of harmful effects. As sun intensity rises, particularly during summer months, being UV-aware is not just smart—it's essential for your well-being.
The UV Index throughout the day showcases a gradual rise in intensity, peaking at 8 between 1 PM and 2 PM, making this the most critical time for sun exposure. Starting the morning with a low index of 1 at 7 AM, the values steadily increase as the sun climbs higher; by 10 AM, it reaches 5, indicating moderate sun strength. As the sun continues its ascent, the index climbs to 6 at 11 AM and further escalates to 7 at noon, urging sun safety precautions. After hitting the afternoon high of 8, the index tapers off, dropping to 6 by 3 PM, before gradually descending to 1 by 7 PM. This daily cycle emphasizes the importance of protective measures during midday hours when the UV rays are at their strongest.
| 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 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | 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 |