Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Santiago de Alcantara, Spain, where sunny days and clear skies can lead to higher levels of UV exposure. Awareness of UV levels not only helps prevent painful sunburns but also plays a significant role in maintaining long-term skin health. In this picturesque region, situated in a Csa climate zone, the UV Index can reach as high as 11 during peak hours, particularly around midday. By staying informed about the daily UV Index, you can enjoy the beautiful outdoors while taking the necessary precautions to protect your skin from harmful rays.
The UV Index throughout the day reveals a dramatic rise in sunlight intensity. Morning hours start off with a mild UV level of 1 at 07:00 and 08:00, gradually increasing to 2 by 09:00. As the sun climbs higher, the index reaches 3 at 10:00, then jumps to a notable peak of 11 from 14:00 to 15:00, indicating a high risk of harm from unprotected sun exposure. The maximum index of 10 occurs at 1 PM, while the intensity begins to decline in the afternoon, descending to 5 by 18:00 and 3 by 19:00. It's crucial to stay cautious and apply sunscreen during the midday hours when UV levels are at their most extreme!
| 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 | 5 | moderate | 30 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 | 5 | moderate | 30 min |
| 19:00 | 3 | moderate | 30 min |
Throughout the year, the UV Index shows significant seasonal variations, with high-risk months identified from March through September. In this period, the UV Index reaches its peak in June at 11 (extreme), demanding vigilance due to a burn time of just 10 minutes. Visitors and residents should take precautions, especially in April, May, June, and July, when the UV levels are categorized as very high and the recommended burn time is reduced to 15 minutes. It is advisable to wear sunscreen, seek shade, and don protective clothing during these months to minimize skin damage. Conversely, during the months of January, November, and December, the UV Index is categorized as moderate, allowing for more extended sun exposure of around 30 minutes without immediate risk. However, caution should still be exercised throughout the year.
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 |
| Santiago de Alcantara | 3 | 4 | 6 | 8 | 10 | 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 |