Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors in Casarejos, Spain, where the climate features a diverse range of sunshine throughout the year. With peak UV levels often reaching as high as 11 during midday hours, awareness of these radiation levels is essential to prevent sunburn and safeguard skin health. The Csb climate of Casarejos, characterized by mild summers, can still expose individuals to significant UV risks, making it imperative to monitor the UV Index regularly to ensure a safe and enjoyable outdoor experience. Stay informed and protect your skin while soaking up the beautiful surroundings of this charming region!
As the day unfolds, the UV Index paints a vivid portrait of sun intensity. Starting off gently, the index is at a mild 1 at 07:00 and 08:00, perfect for early morning strolls. By 09:00, it nudges up to 2, but the real surge begins at 10:00, reaching 4. The sun reaches its zenith at 13:00, hitting a peak 10 before inching up to an impressive 11 by 14:00—a stark reminder to apply that sunscreen! As the afternoon wanes, the intensity gradually diminishes, clocking in at 9 by 16:00, then gently falling to 7 at 17:00. By 18:00, the index drops to 4, and as the day concludes, it settles back at a pleasant 2 by 19:00. It's a day that calls for sun hats and thoughtful planning to enjoy the outdoors safely!
| 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, UV levels experience significant fluctuations, with the high-risk months ranging from March to September. During these months, especially in April and May, the UV Index rises to 8 and 10, indicating very high levels that can lead to skin damage. June and July peak at an extreme UV Index of 11, necessitating extra caution. Visitors and residents are advised to take protective measures, such as using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours, particularly when the burn time drops to as little as 10 minutes. In contrast, the winter months of December and January present lower UV levels, with indices of 2 and 3, allowing for more extended safe sun exposure of up to 45 minutes. Be vigilant about UV exposure, especially as the seasons change.
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 |
| Casarejos | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 2 |
| 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 |