Last updated: July 2, 2025
In Bylym, Russian Federation, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels helps residents and visitors alike take the necessary precautions to prevent sunburns and long-term skin damage. With Bylym's high-altitude climate, UV exposure can be significantly stronger, particularly during peak hours when the index reaches a maximum of 10 around midday. Staying informed about the local UV Index allows you to enjoy the sun safely while minimizing risks associated with harmful UV radiation.
At dawn, the UV Index starts modestly at 2 at 7:00 AM. As the sun rises, the intensity quickly climbs, reaching 4 by 8:00 AM and peaking at an impressive 10 between 11:00 AM and 1:00 PM. This period demands caution, as the midday sun delivers its strongest rays. By 2:00 PM, there's a slight decline to 9, which continues to taper off through the afternoon. As the day winds down, the UV Index drops to 6 at 3:00 PM and further down to 4 by 4:00 PM. The evening brings relief, with levels declining to 2 by 5:00 PM and settling at a comfortable 1 from 6:00 PM onward. Keep this trend in mind for safe sun 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 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 |