Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Serranillos, Spain, as it directly impacts your skin's health and safety during outdoor activities. This charming region, known for its Mediterranean climate, experiences significant UV exposure, especially during peak hours between noon and 3 PM, when indices can soar as high as 12. By monitoring UV levels, you can take proactive steps to prevent sunburn and long-term skin damage, ensuring your time in the sun is both enjoyable and safe. Whether you're hiking through the stunning landscapes or lounging at a local café, knowing the UV Index is key to protecting yourself from harmful rays.
As the sun rises, the UV Index slowly increases, starting at a gentle 1 at 7:00 AM and 8:00 AM. By 9:00 AM, it climbs to 2, but it’s not until 10:00 AM that we see a more noticeable surge to 4. The intensity peaks magnificently at 12:00 PM, reaching an impressive 9, and then soars to its highest point of 12 at 2:00 PM. Just after, it stays strong at 11 until 3:00 PM before beginning to taper off. As the day winds down, the UV Index decreases to 4 by 6:00 PM before settling at 2 by 7:00 PM. Remember to protect your skin during those peak hours, particularly from 11:00 AM to 3:00 PM, when the sun's rays are most potent!
| 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 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV levels undergo significant seasonal changes, with high-risk months typically occurring from April to August. During this period, the UV Index peaks in June, reaching an extreme level of 12, which means that unprotected skin can burn in just 10 minutes. May and July also present critical concerns with indices of 10 and 11, while August sees a slight decrease to 10. It is advisable for visitors and residents to take precautions during these months, such as wearing protective clothing, applying broad-spectrum sunscreen frequently, and seeking shade during peak sun hours, especially between 10 AM and 4 PM. Conversely, the UV Index remains moderate during the winter months of January, February, November, and December, where burn times extend to 30 minutes. Staying informed about daily UV levels is essential for maintaining skin health year-round.
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 |
| 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 |
| Serranillos | 3 | 4 | 7 | 9 | 10 | 12 | 11 | 10 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |