Last updated: August 1, 2025
In Serranillos, Spain, awareness of the UV Index is crucial for protecting skin health and preventing sunburn. Understanding the varying UV levels throughout the day can empower residents and visitors alike to make informed decisions about sun exposure. With a Csb climate, characterized by mild temperatures and significant sunshine, the risk of harmful UV radiation increases, especially during peak hours like noon to 3 PM, when the index can soar to 11. Stay informed and enjoy the sun safely by monitoring the UV index to keep your skin healthy!
The UV Index soared throughout the day, peaking dramatically as the sun climbed higher in the sky. Starting with a modest 1 at 07:00, the index gradually increased, reaching 3 by 10:00. A notable spike occurred at 12:00, when it hit 8, but the real intensity came between 13:00 and 14:00, where it peaked at a striking 11. This level of UV exposure continued until 15:00, before beginning its descent, falling to 4 by 18:00 and dropping further to 2 by 19:00. As the day transitioned, staying protected from the sun’s rays was vital during those high-risk midday hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 min |
| 12:00 | 7 | high | 25 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | 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 |