Last updated: June 2, 2025
In Castilblanco, Spain, awareness of the UV Index is crucial for protecting your skin from harmful ultraviolet rays. Understanding the varying UV levels throughout the day is essential for preventing sunburn and maintaining long-term skin health, especially during peak hours when exposure risks are highest. With Castilblanco's Mediterranean climate (Csa), residents and visitors alike should stay informed about daily UV fluctuations—ranging from a moderate index of 2 in the morning to a high of 11 by mid-afternoon—to enjoy the sun responsibly while safeguarding their skin.
The UV Index today reveals a notable peak in sun intensity, reaching its highest value of 11 at 2 PM and 3 PM. Starting off gently at 1 during the early hours of 7 AM and 8 AM, it gradually escalates, hitting 3 by 10 AM. As midday approaches, the index spikes to 8 at 12 PM, signaling increased sun exposure risks. With 10 at 1 PM, the sun's rays become more formidable, making 2 PM and 3 PM critical times for sun safety. As the afternoon wanes, a decline in UV levels is observed, dropping to 9 by 4 PM, and further decreasing to 4 by 6 PM before settling at 2 by 7 PM. Stay protected and plan your outdoor activities accordingly!
| 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 | 3 | 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 | 11 | 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 exposure varies significantly, with high-risk months primarily occurring from March to August. The UV Index begins to rise in March (7), reaching its peak during the summer months of June and July, where the index hits an extreme level of 11. During these months, the burn time is just 10 minutes, highlighting the urgent need for sun protection. As summer transitions into fall, the UV levels gradually decline, but September still reports a very high index of 8. From October to February, the UV Index drops back to moderate levels (3-4), allowing for a longer burn time of 30 minutes. For both visitors and residents, it is crucial to stay informed and take proper precautions, especially during the high-risk months, such as applying sunscreen, wearing protective clothing, and seeking shade during peak sun hours.
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 |
| Castilblanco | 3 | 4 | 7 | 9 | 10 | 11 | 11 | 9 | 8 | 7 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |