Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Zwoleń, Poland, especially during the sunnier months. The UV Index provides essential information about the sun's strength and helps guide you in taking preventive measures against sunburn and long-term skin damage. With Zwoleń's temperate climate (Cfb), the risk of high UV exposure typically peaks between mid-morning and early afternoon, particularly when values reach 8 at midday. By staying informed about the UV Index, you can effectively protect your skin and enjoy the beautiful Polish sun safely!
As the sun rises, the UV Index begins its ascent, starting at a gentle 2 by 07:00. By 08:00, it climbs to 3, signaling a moderate level of exposure. The real intensity kicks in by 09:00 with a 4, and by 10:00, it reaches 6, urging all to consider sun protection. The peak arrives at 12:00 and 13:00, where the index hits an impressive 8—a reminder that the sun is at its strongest. As the afternoon progresses, there's a slight decline, with values of 7 at 14:00 and 6 at 15:00. By 16:00, the index drops to 4, and as the sun sets, it continues its descent, resting at 1 by 18:00 and 19:00, marking the end of a vibrant day filled with UV activity. Stay vigilant during peak hours to enjoy the sunshine safely!
| 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 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 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, 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 |
| Lodz UVI | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Zwolen | 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 |