Last updated: June 2, 2025
In Leszno, Poland, staying informed about the UV Index is essential for maintaining optimal skin health and preventing sunburn. As residents enjoy the region's moderate Cfb climate, the UV exposure can vary significantly, peaking at an index of 8 during the midday hours. Understanding these levels not only helps in safeguarding against skin damage but also empowers individuals to make informed decisions about outdoor activities. Be proactive about your sun safety—knowing when to seek shade or apply sunscreen can make all the difference in protecting your skin year-round.
As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 07:00. By 08:00, it nudges up to 2, indicating a slight increase in sun intensity. The real climb begins at 09:00, where it hits 4, and by the time we reach 10:00, it peaks at 5. The 11:00 hour sees it rise further to 6, and the sun is in full force by 12:00 with a scorching 7. The afternoon brings its zenith at 13:00, boasting an impressive 8, making it the hottest point of the day. As the hours pass, relief follows; the index gradually declines to 7 at 14:00 and 6 at 15:00. By evening, it dips down to 3 at 17:00, trailing off further to 2 and finally 1 as the sun sets at 19:00. Remember to take precautions during the peak hours to protect your skin from the sun’s powerful rays!
| 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 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | 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 |
| Leszno | 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 |