Last updated: August 1, 2025
Understanding the UV Index in Slesin, Poland is crucial for safeguarding your skin and overall health. As the sun's rays can lead to serious consequences like sunburn and long-term skin damage, keeping an eye on UV levels is essential for all outdoor enthusiasts. With Slesin's Cfb climate, residents and visitors experience moderate sun exposure, particularly from 11:00 AM to 2:00 PM, when the UV Index peaks at 7 to 8. By being aware of these levels, you can take informed precautions to enjoy the beautiful outdoors safely while minimizing the risk of harmful UV radiation.
The UV Index throughout the day showcases a significant peak in midday sun intensity. Starting from 1 at 07:00, it climbs steadily, reaching 4 by 09:00. The real surge occurs between 10:00 and 13:00, with the index hitting a high of 8 at 13:00—the sun is at its strongest then! As the afternoon progresses, the UV levels begin to taper off: 7 at 14:00, 6 at 15:00, and dropping to 3 by 17:00. Eventually, the index declines to a gentle 1 by 19:00, signaling a safe return to outdoor activities as the day winds down. Stay protected 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 | 4 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 6 | 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, the UV Index exhibits notable seasonal changes that reflect shifts in sun exposure. January and February are considered low risk months, with an index of 1-2 and a burn time of 45 minutes. However, as spring approaches, March and April move into the moderate category with an index of 4-5 and a decreased burn time of 30 minutes. The risk escalates significantly in May and June, reaching high (UV Index 6) and very high levels (UV Index 8), with just 15 minutes of unprotected exposure leading to potential skin damage. July continues this trend with similar UV intensity. In August, the index slightly lowers to 7, but still maintains a high risk level. The fall months of September and October see a return to moderate conditions with still significant burn times of 30 minutes. Finally, November and December again present low risk, echoing the start of the year. To ensure safety, it is essential for visitors and residents to be vigilant, especially during the high-risk months of May through August, by using sun protection measures like sunscreen, hats, and protective clothing when outdoors.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Slesin | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 7 | 5 | 3 | 2 | 1 |
| 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 |