Last updated: June 2, 2025
In Siemysl, Poland, understanding the UV Index is crucial for ensuring your skin's health and preventing sunburn. With its Cfb climate, residents and visitors alike face varying levels of UV radiation throughout the day, peaking around midday when the index can reach 8. Being aware of these levels helps you make informed decisions about sun protection, allowing you to enjoy outdoor activities while minimizing the risk of overexposure. With the UV Index fluctuating from as low as 1 in the early morning to a high of 7 by noon, keeping track of these changes is essential for maintaining healthy skin under Siemysl's sunny skies.
As the sun rises, the UV Index gradually climbs, showcasing its intensity throughout the day. At 07:00, it starts at a mild 1, but by 09:00, it picks up pace, reaching 3. The peak occurs at 12:00, hitting a solid 7. From 13:00 to 14:00, the index reaches its zenith at 8, warning us to take precautions under the midday sun. As the afternoon rolls on, the UV intensity drops steadily—dipping to 6 by 15:00, then falling further to 5 by 16:00. The evening brings more relief, with readings returning to 1 by 19:00. Be mindful of the sun’s powerful reach, especially during its 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 | 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, seasonal changes in the UV Index highlight varying risks associated with UV exposure. From January to February, the UV Index remains low (1-2), with a burn time of 45 minutes, making sun protection generally unnecessary. However, March and April usher in a moderate UV Index (4-5), reducing burn time to 30 minutes, prompting increased awareness. The high-risk months of May through August witness a surge in UV levels, peaking in June with a very high index of 8 (15-minute burn time). During this period, it is crucial for visitors and residents to adopt protective measures, such as using sunscreen and wearing protective clothing. As fall approaches, September to October returns to moderate levels, while November and December fall back to low UV exposure, allowing for relaxation in sun safety practices. Overall, vigilance during the late spring and summer months is essential for safe outdoor activities.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Siemysl | 1 | 2 | 4 | 5 | 6 | 8 | 7 | 6 | 5 | 3 | 1 | 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 |