Last updated: August 1, 2025
Understanding the UV Index is crucial for residents in Usiazh, Belarus, as it directly impacts skin health and sunburn prevention. With a Dfb climate characterized by warm summers, local UV levels can vary significantly throughout the day. For instance, during peak hours between 11:00 AM and 2:00 PM, the UV Index can reach as high as 7, indicating a high risk of harm from unprotected sun exposure. By staying informed about these levels, individuals can take appropriate precautions to safeguard their skin and enjoy the beautiful outdoors safely.
As the day unfolds, the UV Index begins at a modest 1 at 7:00 AM, indicating low sun exposure. By 9:00 AM, it rises to a 3, signaling a gentle increase in UV rays. The sun reaches its peak intensity around noon, with the index hitting 7—a reminder to stay protected. From 12:00 PM to 2:00 PM, the index holds steady at this elevated level, ideal for sun safety measures. As the afternoon progresses, the UV Index gradually declines: 6 at 3:00 PM, then tapering to 2 by 6:00 PM, and finally back to 1 by 7:00 PM. It’s a clear reminder that while the sun’s power peaks early in the day, it’s essential to stay aware of UV exposure throughout.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 5 | moderate | 30 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 |
Throughout the year, the UV Index experiences noticeable seasonal variations, impacting the level of sun exposure risk for residents and visitors. The highest risk months for UV exposure are from May to August, where the UV Index peaks at 8 in June, classified as very high, indicating a burn time of just 15 minutes. Conversely, from January to February and November to December, the UV Index remains low (1-2), allowing for up to 45 minutes of exposure without significant risk. As such, it is important for everyone to take precautions during the late spring and summer months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is most intense. Being aware of these fluctuations will help ensure safe sun practices year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vitebsk UVI | 1 | 2 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 |
| Hrodna UVI | 1 | 2 | 4 | 5 | 6 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Usiazh | 1 | 2 | 4 | 5 | 6 | 8 | 7 | 6 | 5 | 3 | 2 | 1 |
| Mahilyow UVI | 2 | 2 | 4 | 5 | 6 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
| Minsk UVI | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Homyel' UVI | 2 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 6 | 3 | 2 | 1 |