Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Wiazownica, Poland, as it plays a vital role in protecting your skin from harmful ultraviolet radiation. High UV levels can lead to sunburn, premature aging, and increased skin cancer risk, making it essential to stay informed about daily fluctuations. Wiazownica enjoys a Cfb climate, characterized by warm summers, which means UV exposure can peak dramatically as the sun reaches its zenith. With indexes soaring to 8 during midday hours, being aware of UV levels helps you take proactive measures to safeguard your skin while enjoying the beautiful outdoors.
As the sun rises, the UV Index begins its ascent, starting at a manageable 2 by 7:00 AM. By 8:00 AM, it climbs to 3, signaling the need for some sun protection. The intensity reaches 4 by 9:00 AM, and by 10:00 AM, it spikes to 6. The peak occurs at 12:00 PM and 1:00 PM with a robust 8, indicating a high risk of harm from unprotected sun exposure. Fortunately, the intensity wanes after 1:00 PM, descending to 7 at 2:00 PM and 6 by 3:00 PM. As the afternoon fades, the UV Index drops to 4 by 4:00 PM and continues to decrease, reaching 1 by 6:00 PM and 7:00 PM. This pattern highlights the importance of sun safety during midday hours when the 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 | 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 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences notable fluctuations throughout the year, influencing both sun exposure and risk levels for skin damage. During the winter months, from December to February, the UV Index remains low (1-2), allowing for longer burn times of 45 minutes, making this a relatively safer period for sun exposure. However, as spring approaches, particularly in March, the UV levels rise to a moderate index of 4, indicating the need for increased caution with a reduced burn time of 30 minutes. The high-risk months occur from late spring to mid-summer, with May reaching an index of 7 and June and July peaking at 8, categorized as very high, significantly shortening safe exposure to just 15 minutes. As summer transitions to fall, the risk reduces but remains considerable in August (UV Index 7) and September (UV Index 6), before tapering off in the fall months of October through December. Visitors and residents are advised to protect their skin during high UV periods by wearing sunscreen, hats, and protective clothing, particularly in the peak months from April to August.
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 |
| Wiazownica | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |