Last updated: July 2, 2025
In Vilobi d'Onyar, Spain, understanding the UV Index is crucial for safeguarding your skin and overall health under the Mediterranean sun. With a climate classified as Cfa, residents and visitors alike experience significant UV exposure, particularly during the peak hours of 10 AM to 4 PM, when the UV Index can reach as high as 10. Being aware of these levels not only helps in preventing painful sunburns but also aids in reducing the long-term risks associated with skin damage. Embrace the sunshine wisely by monitoring the UV Index, ensuring that your outdoor activities are both enjoyable and safe!
The UV Index reveals a dynamic pattern throughout the day, beginning with a minimal UVI of 1 at 07:00, and gradually rising as the sun ascends. By 10:00, it reaches 4, signaling a shift towards higher exposure, and by 12:00, it peaks at an impressive 8. Among the highest readings, 13:00 and 14:00 hit a scorching 10, emphasizing the need for sun protection during these hours. As the afternoon wanes, the index starts to decline, dropping to 7 by 16:00, and further declining to 5 at 17:00. As evening approaches, the UVI diminishes to 3 at 18:00, and concludes with a gentle 2 at 19:00. This pattern underscores the importance of vigilance against UV exposure as midday approaches, encouraging outdoor enthusiasts to take precautions when the sun is at its strongest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
During the year, UV levels fluctuate significantly, with high-risk months typically occurring between April and August, when the UV Index reaches its peak at 9 to 10, corresponding to a very high exposure category and a burn time of just 15 minutes. May, June, and July are particularly critical, urging both visitors and residents to take extra precautions during outdoor activities. In contrast, January through March and November to December present moderate to low UV Index levels, giving individuals longer burn times before requiring sun protection. To minimize skin damage, it's advisable to wear sunblock, protective clothing, and hats during high UV Index periods, especially in the summer months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Barcelona UVI | 3 | 4 | 5 | 7 | 8 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |
| Vilobi d'Onyar | 3 | 4 | 5 | 7 | 9 | 10 | 10 | 9 | 7 | 6 | 3 | 2 |
| Zaragoza UVI | 3 | 4 | 6 | 8 | 9 | 11 | 11 | 9 | 8 | 6 | 3 | 2 |
| Valencia UVI | 3 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Madrid UVI | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |