Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Bylym, Russian Federation, where the unique climate can bring significant UV exposure risks. With peak values reaching up to 11 during midday, awareness of UV levels is essential for sunburn prevention and long-term skin health. By taking the time to learn about daily UV fluctuations, you can better protect yourself from harmful effects, particularly in the ET climate zone that experiences varying UV intensity. Embrace sun safety and make informed choices while enjoying the beautiful outdoors of Bylym!
As the day unfolds, the UV Index rises steadily, peaking at a maximum of 11 between 12:00 PM and 1:00 PM. Starting at a mild 2 at 7:00 AM, the index climbs to 6 by 9:00 AM, signaling a need for skin protection. The sun reaches its zenith at 11:00 AM, ushering in the most intense rays with a UVI of 10. As early afternoon approaches, the index hits its climax, making it crucial for outdoor activities to be coupled with adequate sun safety measures. Following this high point, the index begins to taper off, descending back to 4 by 4:00 PM, and further dwindling to a gentle 1 by 6:00 PM. This data highlights the importance of staying sun-smart during peak hours to enjoy the outdoors while minimizing the risk of UV exposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | 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 experiences significant seasonal fluctuations. January and February have moderate UV levels (Index 3-4), where a 30-minute burn time is manageable. As we approach March, the UV Index escalates to 7, indicating high exposure risks with a shorter burn time of 25 minutes. The risk peaks in April and May with very high indices of 9 and 10 respectively, requiring strict protection measures, as burn times drop to just 15 minutes. The extreme UV conditions in June (Index 11) demand even greater caution, allowing only a 10-minute exposure before burning. From July to September, the Index stabilizes at 10-9 with a 15-minute burn time. In October, the UV level decreases to 6, indicating high exposure again but allowing for a 25-minute burn time, while November and December see a return to moderate and low levels, where burn times increase to 30 and 45 minutes, respectively. Visitors and residents are advised to remain vigilant during high-risk months, especially from March through September, by wearing protective clothing, applying sunscreen regularly, 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 |
| Bylym | 3 | 4 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 6 | 4 | 2 |