Last updated: May 3, 2025
Understanding the UV Index is crucial for everyone's health, especially in Siedlce, Poland, where the climate is characterized as Cfb, leading to significant UV exposure during sunny days. Awareness of UV levels is vital for preventing sunburn and maintaining overall skin health, as prolonged exposure to harmful UV rays can lead to long-term consequences. With peak UV Index levels reaching 7 between 12:00 and 13:00, locals and visitors alike must stay informed to take necessary precautions against harmful rays and enjoy Siedlce’s beautiful, sunlit days safely.
The daily UV Index begins its journey at a mild 1 at 07:00, rising steadily as the sun climbs higher. By 09:00, it reaches 4, signaling increased intensity, and then peaks at an impressive 7 from 12:00 to 13:00—the ideal time for sun protection. As the afternoon progresses, the Index gently declines, dipping to 5 at 15:00 and 4 at 16:00. As daylight wanes, the index settles back to 2 by 17:00, and slips to 1 by 19:00. It’s evident that during the midday hours, vigilance is crucial to protect from harmful UV exposure!
| 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 | 7 | 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 significant seasonal variation, indicating changing risks associated with sun exposure. January and February see a low UV Index of 2, offering a burn time of 45 minutes. As spring begins in March, the UV Index rises to 4 (moderate), with a reduced burn time of 30 minutes. The summer months peak in June and July at a very high UV Index of 8, where the burn time decreases to just 15 minutes. May (high, UV Index 7) and August (high, UV Index 7) offer moderate risk, while September sees a slight decline to a high UV Index of 6. October returns to a moderate level with an Index of 3, followed by November and December, where the risk is low again (Index 2 and 1, respectively, with burn times of 45 minutes). Therefore, it is crucial for visitors and residents to exercise caution during the high-risk months of April, May, June, July, and August by utilizing sunscreen, wearing protective clothing, and seeking shade during peak sun hours to safeguard against harmful UV exposure.
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 |
| Siedlce | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 3 | 2 | 1 |
| Krakow UVI | 2 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |