Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Bolgar, Russian Federation. With exposure to harmful ultraviolet rays peaking around noon, knowing the UV levels can significantly aid in sunburn prevention and long-term skin health. Bolgar’s Dfb climate typically features warm summers, making it essential to be vigilant about UV exposure to avoid skin damage. As the UV Index rises, especially between 10 AM and 2 PM when it reaches levels of 6 to 7, being informed can help you enjoy the sunny days safely while protecting your skin.
The UV Index shows a distinct rise and fall throughout the day, starting off gently at 2 by 7:00 AM. As the sun climbs higher, the intensity peaks at 7 between 11:00 AM and 1:00 PM, indicating a time for caution due to increased UV exposure. Post-1 PM, the index gradually declines, with values dropping to 4 by 3:00 PM and sliding further to 1 as evening approaches. This pattern clearly emphasizes the need for sun protection during midday hours when UV radiation is at its strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index demonstrates notable seasonal variation, with the highest levels typically occurring during the summer months. From May to August, the UV Index reaches its peak at 6 to 7, categorized as high, indicating a more intense risk of skin damage from sun exposure; during this time, the effective burn time decreases to just 25 minutes. Conversely, the winter months of December, January, and February present a much lower UV Index of 1 to 2, falling under the low exposure category, with burn times extending up to 45 minutes. March through April sees a gradual increase to a moderate UV Index of 5, where one should limit exposure to 30 minutes. Visitors and residents are advised to take precautions, especially from May to August, by wearing sunscreen, reapplying frequently, and seeking shade during peak sunlight hours to minimize the risk of sunburn and long-term skin damage.
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 |
| Bolgar | 1 | 2 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 1 | 1 |