Last updated: August 1, 2025
Understanding the UV Index in San Esteban de la Sierra is crucial for safeguarding your skin health and preventing sunburn, especially in this picturesque Spanish town. With its Csb climate, the area experiences moderate sunlight but can still pose significant UV exposure risks, particularly during midday hours when the index peaks at a severe 11. By being aware of daily UV levels, residents and visitors alike can take proactive steps, such as seeking shade or applying sunscreen, to ensure enjoyable and safe outdoor activities. Be informed, protect yourself, and enjoy the beautiful surroundings of San Esteban de la Sierra while keeping your skin safe from harmful UV rays!
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 |
| San Esteban de la Sierra | 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 |