Last updated: June 2, 2025
Understanding the UV Index is crucial for the residents of Bol'shaya Ryazan', Russian Federation, as it plays a vital role in safeguarding skin health and preventing sunburn. With its Dfb climate zone, the region experiences varying UV exposure risks throughout the day, peaking at an index of 8 around 1 PM. By being aware of UV levels, you can take proactive measures to protect yourself and your loved ones from harmful sun effects, ensuring enjoyable outdoor activities while maintaining healthy skin. Remember, just a few minutes of unprotected sun exposure can lead to sunburns in higher UV index hours, so stay informed and stay safe!
The UV Index throughout the day showcases a significant peak in midday sun intensity. Starting from 1 at 07:00, it climbs steadily, reaching 4 by 09:00. The real surge occurs between 10:00 and 13:00, with the index hitting a high of 8 at 13:00—the sun is at its strongest then! As the afternoon progresses, the UV levels begin to taper off: 7 at 14:00, 6 at 15:00, and dropping to 3 by 17:00. Eventually, the index declines to a gentle 1 by 19:00, signaling a safe return to outdoor activities as the day winds down. Stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal variation, with high-risk months identified primarily from May to August, where the index peaks at 8 in June and remains at 7 in both July and August, indicating a very high to high exposure category. During these months, burn times shorten dramatically to as little as 15-25 minutes, necessitating increased caution. In contrast, the winter months (January, February, November, and December) exhibit a low UV Index (1-2), allowing for prolonged exposure of up to 45 minutes without the risk of burn. To ensure safety, it is advisable for visitors and residents to protect their skin with sunscreen, hats, and protective clothing during the moderate to very high UV Index days from March through August, while enjoying the milder exposure levels during the colder months.
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'shaya Ryazan' | 1 | 2 | 5 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |