Last updated: July 2, 2025
In Jezera, Croatia, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can help you prevent sunburn and minimize long-term skin damage, allowing you to enjoy the beautiful Mediterranean sun safely. Jezera's Cfa climate brings plenty of sunshine, especially during peak hours, when the UV Index can reach as high as 9 around noon. With these elevated risks, keeping an eye on the UV Index not only informs your outdoor activities but also encourages you to take necessary precautions for sun safety.
The UV Index reveals a dynamic day of sun exposure, starting with a gentle 1 at 07:00 and gradually ramping up as the morning unfolds. By 09:00, it climbs to 4, reaching a more noteworthy 6 at 10:00. As the sun reaches its zenith, the UV Index peaks at 9 during the crucial hours of 12:00 and 13:00, indicating a high risk of harm from unprotected sun exposure. The intensity begins to wane after 14:00, settling to 7 at 15:00 before gradually decreasing to 1 by 19:00. Remember to protect your skin between 11:00 and 14:00 when the sun’s rays are at their most dangerous!
| 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 | 6 | high | 25 min |
| 11:00 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 8 | 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 |
Throughout the year, the UV Index experiences notable seasonal fluctuations, indicating varying levels of sun exposure risk. From January to March, the UV levels gradually increase from low (Index 2) to high (Index 6), with a significant leap in risk occurring by April (Index 7). The summer months (May to August) peak in UV intensity, reaching very high levels (Index 8-10), where burn time drops to just 15 minutes. September marks a slight decrease, transitioning back to high levels, before settling into moderate levels by October and November. The year concludes with low levels again in December. Visitors and residents are advised to take precautions, especially during high-risk months from April to August, by wearing sunscreen, protective clothing, and seeking shade to minimize the risk of UV exposure.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Osijek UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Zagreb UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 6 | 5 | 3 | 2 |
| Rijeka UVI | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Zadar UVI | 2 | 4 | 5 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Jezera | 2 | 4 | 6 | 7 | 8 | 10 | 9 | 8 | 7 | 5 | 3 | 2 |
| Split UVI | 2 | 4 | 6 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |