Last updated: May 3, 2025
Awareness of the UV Index is crucial for residents of Gryazi, Russian Federation, as it serves as a vital guide for protecting skin health and preventing sunburn. Understanding UV levels helps you make informed decisions about sun exposure, especially during the peak hours when the index can reach 7—indicating a high risk of harm from unprotected sun exposure. Nestled within a Dfb climate zone, Gryazi experiences distinct seasonal variations, meaning UV exposure can fluctuate significantly throughout the year. By keeping an eye on the UV Index, you can enjoy the sun safely while safeguarding your skin against its potentially harmful effects.
As the sun rises, the UV Index begins a steady climb, starting at a gentle 2 by 7:00 AM. By 8:00 AM, it nudges up to 3, and by 9:00 AM, it reaches 4, signaling a brightening day ahead. The 10:00 AM mark breaks into the moderate range at 5, but it’s at 11:00 AM when the UV Index peaks at a robust 6. The intensity continues, maintaining a high of 7 at noon and 1:00 PM, urging sunbathers and outdoor enthusiasts to take precautions. As the afternoon progresses, the intensity dips to 6 by 2:00 PM, and further decreases through the late afternoon, settling at 4 by 3:00 PM. By the evening, the UV Index falls to a more manageable 2 at 5:00 PM and finally cools to 1 by 6:00 PM and 7:00 PM, wrapping up a day of varying sunlight exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 6 | high | 25 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, UV exposure significantly fluctuates, with high-risk months identified from March to September. In March, the UV Index rises to 5 (moderate), prompting a decrease in burn time to 30 minutes, while April and May see it increase to 6 and 7, categorized as high, with burn times of just 25 minutes. June reaches a peak UV Index of 8 (very high) and a dangerously quick burn time of only 15 minutes. July and August maintain a high UV Index of 7, and September sees a slight decrease to 6. From October to December, the UV Index falls back to low levels (3 and below), allowing for longer safe exposure times of up to 45 minutes. To protect skin, it is advised that visitors and residents take precautionary measures during the high-risk months, such as applying sunscreen, wearing protective clothing, and seeking shade during peak sunlight 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 |
| Gryazi | 2 | 2 | 5 | 6 | 7 | 8 | 7 | 7 | 6 | 3 | 2 | 1 |