Last updated: July 2, 2025
Understanding the UV Index in Sieniawa, Poland is crucial for safeguarding your skin health and preventing sunburn. As the sun rises and the UV levels fluctuate, the risk of harmful exposure increases, particularly during peak hours from 11 AM to 3 PM when values reach a maximum of 8. Sieniawa's continental climate, characterized by warm summers, can elevate your UV exposure, making it essential to stay informed about daily UV levels. By being aware of these fluctuations, you can enjoy outdoor activities safely while minimizing the risk of long-term skin damage.
The UV Index today illustrates a steady climb in intensity as the day progresses, peaking at 8 between 12:00 PM and 2:00 PM. Early risers will notice a gentle start with a maximum of 1 at 7:00 AM, gradually increasing to 2 by 8:00 AM. As the sun climbs higher, the index surges, reaching 7 at 11:00 AM and soaring to its highest point of 8 at noon. After this peak, the UV levels begin to gradually decline, dropping to 6 by 3:00 PM and further down to 1 by 7:00 PM. This highlights the importance of sun protection during the midday hours, where the UV risk is at its most significant. Stay safe and enjoy the sunshine!
| 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 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 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 |
Throughout the year, the UV Index demonstrates significant seasonal changes that highlight periods of increased sun exposure risk. High-risk months are primarily from April through August, when the UV Index peaks at 9 in June and remains at 8 in July and 7 in May and August, categorizing them as very high and high exposure respectively, with burn times as short as 15-25 minutes. In contrast, winter months like January and December show much lower UV levels, categorized as low, allowing for longer burn times of 45 minutes. Visitors and residents should remain vigilant during high-risk months, taking precautions such as wearing sunscreen, sunglasses, and protective clothing during peak hours, while enjoying the outdoors safely.
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 |
| 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 |
| Sieniawa | 2 | 3 | 5 | 6 | 7 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |