Last updated: May 3, 2025
In Bierzwnik, Poland, staying aware of the UV Index is crucial for maintaining optimal skin health and preventing sunburn. Understanding the UV levels can help residents and visitors alike safeguard their skin, especially during peak exposure times when the index reaches a height of 7 around midday. Bierzwnik's Cfb climate, characterized by its mild summers, still poses UV exposure risks that should not be overlooked. By keeping an eye on the UV Index, you can enjoy the beautiful outdoors while minimizing the potential harmful effects of the sun.
As the sun rises, the UV Index gradually climbs, starting at a modest 1 by 07:00. By 08:00, it nudges up to 2, signaling the day is warming up. The real intensity kicks in by 10:00, hitting a 4 as the sun begins to reach its zenith. At 11:00, it crests at 5, before peaking at 12:00 with a solid 6. The midday sun is at its fiercest at 13:00, soaring to a robust 7. Following this peak, the UV Index begins its slow descent, gradually dropping back to 6 by 14:00 and then to 5 at 15:00. As the afternoon wanes, it further recedes to 4 by 16:00 and continues to decline to 2 at 17:00, finally settling back to a gentle 1 by 18:00 and into the evening at 19:00. Remember to take care of your skin during those critical 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 variations, with the highest levels occurring during the summer months. From May to August, individuals should be particularly cautious, as the index reaches its peak at 8 in June and maintains a high level of 7 in July and August. These months are classified as high-risk, with a significantly reduced burn time of just 15 to 25 minutes depending on the month. As the year progresses toward winter, the UV Index falls to lower levels in November and December, offering a reprieve with burn times extending back to 45 minutes. Visitors and residents are advised to monitor UV levels closely, wear protective clothing, and apply sunscreen, especially during the high-risk months to minimize the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bierzwnik | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 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 |