Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors of Kolno, Poland, where the climate, classified as Dfb, brings a mix of cold and mild conditions. With UV levels peaking at 8 during midday hours, being aware of the sun's intensity is essential for preventing sunburn and promoting long-term skin health. As you enjoy the outdoors in Kolno’s picturesque landscapes, recognizing and respecting these UV exposure risks can safeguard your skin and enhance your overall well-being. Keep an eye on the UV Index daily to ensure your sun safety!
The UV Index offers a glimpse into the strength of sun exposure throughout the day. Starting at a low 2 at 7:00 AM, it gradually climbs to reach 5 by 10:00 AM. As the sun rises higher, the index peaks at a robust 8 around 1:00 PM, indicating a significant risk for sunburn without protection. From there, it begins to wane, dropping to 6 at 3:00 PM and further decreasing to 2 by 6:00 PM. This hourly journey highlights the importance of staying sun-safe during the peak exposure hours between 11:00 AM and 2:00 PM, ensuring you enjoy the sunshine while staying protected!
| 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 | 5 | moderate | 30 min |
| 11:00 | 7 | 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 | 4 | 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 levels vary significantly, with key seasonal changes impacting exposure risks. From January to February, the UV Index remains low (1-2), allowing for safe outdoor activities with a burn time of 45 minutes. As spring approaches in March and April, the index rises to moderate levels (4-5), reducing burn times to 30 minutes, emphasizing the need for sunscreen. The summer months of May through July bring the highest UV Index, peaking at 8, classified as very high, leading to a rapid burn time of just 15 minutes. August sees a slight decrease to high levels (6), with 25 minutes before burning occurs, followed by a return to moderate levels in September and October. By November and December, UV exposure risks lower again to low levels (1-2), allowing for extended outdoor time without significant risk. To ensure safety, visitors and residents should be especially cautious from May to July, applying adequate sun protection measures during these high-risk months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kolno | 1 | 2 | 4 | 5 | 6 | 8 | 8 | 6 | 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 |