Last updated: July 2, 2025
In Gruda, Croatia, staying informed about the UV Index is crucial for maintaining skin health and preventing sunburn. With its Cfb climate, Gruda experiences varying UV exposure levels throughout the day, peaking around midday when the index reaches a high of 10. Understanding these UV levels not only helps you plan safe sun activities but also protects against the damaging effects of excessive sun exposure. Being aware of the UV Index empowers locals and visitors alike to enjoy the beautiful Croatian outdoors while safeguarding their skin.
As the sun rises, the UV Index starts its ascent, with a gentle 1 at 07:00. By 08:00, it begins to climb, reaching 2, signaling a reminder to take care. The real intensity kicks in at 10:00, where the index peaks at 6, escalating to a scorching 9 by noon. The hottest moment arrives at 13:00, showcasing a dramatic 10—a level that demands serious sun protection. Although the UV level begins to drop after this peak, it remains notable; at 14:00, it settles at 9, then declines gently, hitting 3 by 17:00. As daylight fades towards the evening, it tapers off to 2 at 18:00 and finally returns to a safe 1 by 19:00. It's a vivid reminder of the sun's power throughout the day!
| 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 | 8 | very high | 15 min |
| 12:00 | 9 | 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 |
As the seasons change, so too do the UV index levels, impacting sun safety for residents and visitors alike. From January to February, the UV index begins at a low of 2 and rises to a moderate 4, with recommended burn times decreasing from 45 minutes to 30 minutes. March to August marks the high-risk months for UV exposure, with indices peaking at 10 in July, characterized by very high exposure levels and a burn time of just 15 minutes. It is crucial to take precautions during this period, such as wearing sunscreen, protective clothing, and seeking shade whenever possible. As we transition into September through December, the UV index gradually declines, with levels dropping to a low 2 again in December. However, the high-risk months of May through August particularly emphasize the need for vigilance against overexposure to UV rays. Always prioritize sun safety as the UV index fluctuates throughout the year.
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 |
| Split UVI | 2 | 4 | 6 | 7 | 8 | 10 | 10 | 9 | 7 | 5 | 3 | 2 |
| Gruda | 2 | 4 | 6 | 7 | 9 | 9 | 10 | 9 | 7 | 5 | 3 | 2 |