Last updated: August 1, 2025
Understanding the UV Index is essential for the residents and visitors of Cilleros de la Bastida, Spain, as it plays a crucial role in sunburn prevention and overall skin health. With the region's Csb climate, which features warm summers, awareness of UV levels is particularly important given the peak index of 11 around midday. This signifies a high risk of harm from unprotected sun exposure, making it vital to stay informed and take appropriate measures to protect your skin. By monitoring the UV Index, you can make informed decisions about outdoor activities and safeguard your health while enjoying the beautiful Mediterranean sun!
The UV Index during the day exhibits a notable rise as the sun reaches its zenith. Starting from a gentle 1 at 07:00 and 08:00, it gradually escalates to 2 by 09:00. With the clock striking 10:00, the intensity hits 3, but the real peak arrives at 12:00 with an impressive 8. As we approach the afternoon, the UV Index surges to its maximum of 11 at 14:00, showcasing the sun's most potent rays. Fortunately, relief follows as the index begins to wane, dropping to 10 by 15:00, then slowly declining to 4 by 18:00 before settling at 3 at 19:00. Be sure to protect your skin especially during those high noon 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 | 2 | low | 45 min |
| 11:00 | 4 | 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 Index levels show notable seasonal changes, with the highest values occurring during the summer months. High-risk months include April through August, particularly June and July, when the UV Index reaches extremes of 11, necessitating a burn time of just 10 minutes for unprotected skin. During this period, it is crucial for visitors and residents to take extra precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. Conversely, from November to February, the UV Index is moderate, with burn times of up to 30 minutes, allowing for more relaxed sun exposure. Nevertheless, even during these lower UV months, it's advisable to remain vigilant and protect your skin.
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 |
| Cilleros de la Bastida | 3 | 4 | 6 | 9 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |