Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Cisna, Poland, as it highlights the intensity of ultraviolet radiation at different times of the day. Knowing these levels is essential for effective sunburn prevention and maintaining long-term skin health, especially during peak hours when the UV Index reaches up to 8. Nestled in a Dfb climate zone, Cisna experiences varying UV exposure risks, with notable increases around midday. Stay informed and protect your skin by checking the UV Index regularly!
During the day, the UV Index shows a dynamic pattern that peaks between 11:00 AM and 2:00 PM. Starting at a mild 2 at 7:00 AM, the index gradually increases, reaching a significant maximum of 8 by 12:00 PM. Throughout the early afternoon, this level remains steady, urging sun seekers to practice caution during the most intense hours. As the sun begins to set, the index drops back to 6 at 3:00 PM, and continues to decline, falling to 1 by 6:00 PM. This data highlights the importance of sun safety during midday, ensuring skin protection when UV exposure is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 6 | high | 25 min |
| 11:00 | 8 | very high | 15 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 | 1 | 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 |
| Cisna | 2 | 3 | 5 | 6 | 7 | 9 | 8 | 7 | 6 | 4 | 2 | 1 |