Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Casas de Fernando Alonso, Spain, where the sunny Mediterranean climate brings both warmth and increased UV exposure. As the UV levels can peak at an alarming 11 during the afternoon, being aware of these figures is essential for protecting your skin from sunburn and long-term health risks, such as skin cancer. With a climate classified as Csa, characterized by hot, dry summers, it's vital to arm yourself with knowledge about the UV Index to enjoy the sun safely, ensuring your outdoor activities remain both delightful and responsible.
As the sun rises, the UV Index starts low, peaking at 1 by 07:00 and remaining steady at 1 through 08:00. However, by 09:00, it begins to climb, reaching 2. The real heat kicks in around 10:00, where the index jumps to 4, and by 11:00, it surges to 6. The peak intensity is recorded between 12:00 and 14:00, soaring to 8 and hitting a blistering 11—the highest level for the day. As the afternoon progresses, the values begin to wane, dropping back to 9 by 16:00, then to 6 by 17:00, and finally tapering off to 4 at 18:00, before settling at 2 by 19:00. It's a reminder to stay protected during those peak 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 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal changes, with the highest risk occurring in the summer months of June and July, where the index reaches an extreme level of 12 and 11 respectively, necessitating only 10 minutes of exposure before risk of burns increases. Notably, April through September marks a period of very high to extreme UV levels, with May peaking at a UV Index of 10. Visitors and residents should exercise caution, particularly from March onwards, as the risk escalates rapidly; sunscreen application, protective clothing, and avoidance of direct sunlight during midday hours are strongly advised. Conversely, the winter months of December through February present a lower risk, with moderate UV levels, allowing for more extended outdoor activities with proper protection.
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 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |
| Casas de Fernando Alonso | 3 | 5 | 6 | 9 | 10 | 12 | 11 | 10 | 9 | 7 | 4 | 3 |