Last updated: May 3, 2025
Understanding the UV Index in Brenno, Poland is crucial for everyone who enjoys the outdoors, as it helps safeguard against harmful UV radiation that can lead to sunburn and long-term skin damage. With a oceanic climate (Cfb), Brenno experiences a unique blend of weather patterns that can influence UV exposure levels throughout the day. Typically peaking around midday with an index reaching up to 7, awareness of these fluctuations is vital for maintaining skin health. By keeping an eye on the UV index, residents and visitors can take proactive steps to enjoy their time outside while minimizing the risks associated with sun exposure.
The UV Index throughout the day presents a dynamic picture of sun exposure. Starting at a gentle 1 at 7:00 AM, it gradually climbs, reaching a moderate 2 by 8:00 AM. As the sun rises higher, the index peaks at 7 from 12:00 PM to 1:00 PM, indicating a significant risk for unprotected skin. It then sees a slow decline, dropping to 5 by 3:00 PM and further to 4 by 4:00 PM. As daylight wanes, the index slips back to a relaxing 1 by 6:00 PM, encouraging evening outdoor activities with minimal risk. Throughout the day, it's crucial to stay informed and protect yourself during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | 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 | 5 | moderate | 30 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 varies significantly, with the highest risk months occurring from May to August. During this period, the UV Index peaks at 8, indicating a very high exposure category, particularly in June and July, which results in a reduced burn time of only 15 minutes. Visitors and residents should take precautions during these months by seeking shade, wearing protective clothing, and applying sunscreen regularly. In contrast, the low-risk months from November to February feature a UV Index of 1-2, where an exposure time of 45 minutes is generally safe. As spring approaches, starting in March, the UV levels begin to increase, warranting extra care as the burn time decreases significantly by May. To ensure safety, it is advisable to monitor seasonal UV changes and adjust sun safety practices accordingly.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Warsaw UVI | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| Poznan UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Brenno | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Lodz UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Wroclaw UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Krakow UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |