Last updated: June 2, 2025
Understanding the UV Index in Bileca, Bosnia and Herzegovina is crucial for safeguarding your skin and overall health. With peak UV levels reaching up to 10 during midday, awareness of these figures can help you take proactive measures to prevent sunburn and long-term skin damage. Bileca’s pleasant Cfb climate offers abundant sunshine, making it essential to stay informed about daily UV exposure risks. By learning how to interpret the UV Index, you can enjoy the outdoors while protecting your skin from harmful effects of ultraviolet rays.
As the sun rises, the UV Index starts at a gentle 1 at 07:00, indicating minimal risk. By 08:00, it increases to 3, prompting a bit more awareness. The intensity builds, reaching 4 by 09:00 and then surging to 7 at 10:00. The day reaches its peak between 12:00 and 13:00, where the UV Index hits its maximum of 10, signaling a high risk for sun exposure. As the afternoon unfolds, the index begins to decline—9 at 14:00, 7 at 15:00, and then easing to 5 by 16:00. The late hours bring a gradual reduction, settling back down to 3 at 17:00, 2 at 18:00, and finally returning to 1 by 19:00. Remember to prioritize sun protection during peak hours, particularly between 11:00 and 13:00, when the risk is at its highest!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | 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 |
The seasonal UV changes indicate a significant increase in UV radiation from January to August, peaking at a UV Index of 10 during June and July, classified as very high. March through September marks the high-risk months for sun exposure, particularly in May through August, where the burn time shortens to just 15 minutes. Residents and visitors are advised to take precautions during these months, including wearing sunscreen, protective clothing, and seeking shade, especially during midday hours. As we transition to October and beyond, the UV Index decreases, but it remains essential to stay vigilant for skin protection.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Banja Luka UVI | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Tuzla UVI | 2 | 4 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Zenica UVI | 2 | 4 | 6 | 7 | 8 | 10 | 10 | 8 | 7 | 5 | 3 | 2 |
| Mostar UVI | 2 | 4 | 6 | 7 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Sarajevo UVI | 3 | 4 | 7 | 8 | 9 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Bileca | 2 | 4 | 7 | 7 | 9 | 10 | 10 | 9 | 8 | 6 | 3 | 2 |