Last updated: May 3, 2025
In Nerezisce, Croatia, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. With a Mediterranean climate characterized by warm summers and high UV exposure, understanding the daily fluctuations of UV levels can help residents and visitors alike protect themselves from harmful rays. During peak sunlight hours, particularly between 11:00 AM and 2:00 PM, the UV Index can reach as high as 8, indicating a significant risk of harm from unprotected sun exposure. By keeping an eye on the UV Index, you can enjoy the beautiful Croatian sun safely while safeguarding your skin for the long term.
As the sun rises, the UV Index begins its climb, starting at a mild 1 at 07:00. By 08:00, it reaches 2, signaling increased sun exposure. The intensity ramps up quickly; at 09:00, it hits 3, and by 10:00, it surges to a notable 5. Peak sunshine hours arrive at 12:00 and 13:00, when the UV Index peaks at an impressive 8—a time when sun safety is crucial. As the afternoon progresses, the index slowly declines, dropping to 6 by 15:00, and tapering off to 4 at 16:00. By the evening, it returns to comfortable levels of 3 at 17:00, and finally settles back to a low 1 by 18:00 and 19:00. Remember, during those midday hours, protect your skin and stay hydrated!
| 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 | 7 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits significant seasonal changes, with the highest risk occurring during the late spring and summer months. From May to August, the UV Index reaches its peak at levels of 8 to 9, indicating a very high exposure category and a burn time of only 15 minutes. Conversely, the UV Index drops to a low of 2 in January and December, allowing for longer exposure times of 45 minutes without risk of sunburn. High-risk months, particularly March through August, demand increased vigilance; individuals are advised to apply sunscreen regularly, wear protective clothing, and seek shade during peak hours. As a general guideline, residents and visitors should be mindful of their UV exposure, especially during the summer, to protect their skin health effectively.
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 |
| Nerezisce | 2 | 4 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 3 | 2 |
| Split UVI | 2 | 4 | 6 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |