Last updated: May 3, 2025
In Sejny, Poland, being aware of the UV Index is crucial for your skin's health and overall well-being. Understanding UV levels helps protect against sunburn and long-term skin damage, especially during the warmer months when exposure can peak. With a Dfb climate, Sejny experiences varying UV exposure throughout the day, with the index reaching a maximum of 6 around noon. This makes it essential for residents and visitors alike to stay informed about UV levels to enjoy the sun safely and protect their skin from harmful rays.
The UV Index begins its day at a low 1 at 7:00 AM, gradually rising as the sun climbs higher in the sky. By 9:00 AM, it reaches 4, signaling that sunscreen and protection are becoming increasingly important. At peak intensity, 11:00 AM to 1:00 PM, the index hits a maximum of 6, highlighting a crucial window for sun safety as UV rays are most potent. As afternoon sets in, the index begins to gracefully descend, falling to 5 at 2:00 PM and tapering off further to 1 by 7:00 PM. This hourly dance of the UV Index reminds us to stay vigilant under the sun, particularly in the midday hours when its power is unwavering.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 6 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | 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 experiences noticeable seasonal variations, impacting the level of sun exposure risk for residents and visitors. The highest risk months for UV exposure are from May to August, where the UV Index peaks at 8 in June, classified as very high, indicating a burn time of just 15 minutes. Conversely, from January to February and November to December, the UV Index remains low (1-2), allowing for up to 45 minutes of exposure without significant risk. As such, it is important for everyone to take precautions during the late spring and summer months by wearing sunscreen, protective clothing, and seeking shade, especially during midday hours when UV radiation is most intense. Being aware of these fluctuations will help ensure safe sun practices year-round.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sejny | 1 | 2 | 4 | 5 | 6 | 8 | 7 | 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 |