Last updated: June 2, 2025
Understanding the UV Index in Castillejar, Spain is crucial for protecting your skin and overall health against harmful ultraviolet radiation. This charming region, characterized by a Mediterranean climate, experiences intense sun exposure, particularly during summer months, making awareness of UV levels essential for sunburn prevention. With peak UV Index readings reaching as high as 12 around midday, it's imperative to take protective measures during these hours to safeguard your skin against damage and reduce the risk of long-term health issues. Keep informed and enjoy the beautiful sunny days in Castillejar while prioritizing your skin's safety!
As the sun rises, the UV Index begins at a mild 1 at 07:00, providing a gentle reminder to enjoy the day with minimal sun protection. However, by 10:00, the index surges to a moderate 4, alerting us to take more care during outdoor activities. The intensity peaks dramatically at 12:00, reaching a staggering 9, and by 13:00, it escalates to a maximum of 11—a critical time for sun safety. From there, the UV levels gradually decline, with readings of 12 at 14:00, 11 at 15:00, and tapering off to 4 by 18:00. As evening approaches, the index drops to a low 2 at 19:00, offering a much more forgiving environment for those looking to enjoy the outdoors as the sun sets. It's a day to be mindful and enjoy the sunny moments while taking protective measures during peak hours!
| 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 | 7 | 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, seasonal UV changes significantly impact sun exposure and skin safety. The high-risk months for UV exposure are from April to August, where the UV Index reaches extreme levels (11-12) in May and June, requiring only 10 minutes of burn time. Even in early spring, March begins to show a surge with a high UV Index of 7. As summer transitions into fall, there's a gradual decline, but September still maintains a very high level at 9, necessitating caution. Residents and visitors should take protective measures during these peak months by wearing sunscreen, protective clothing, and seeking shade, especially between 10 a.m. and 4 p.m. when UV rays are strongest.
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 |
| Castillejar | 3 | 5 | 7 | 9 | 11 | 12 | 11 | 10 | 9 | 7 | 4 | 3 |