Last updated: July 2, 2025
In Alcanar, Spain, awareness of the UV Index is essential for maintaining skin health and preventing sunburn. Understanding the UV levels throughout the day can help residents and visitors alike make informed decisions on sun protection, especially during the hotter months. With a Mediterranean climate characterized by long, sunny summers, UV exposure tends to peak significantly—reaching an index of 10 during midday hours. By staying informed about UV levels, you can enjoy Alcanar's beautiful beaches and outdoor activities safely while minimizing the risk of harmful skin damage.
As the sun climbs higher in the sky, the UV Index begins its ascent, starting from a mild level of 1 at 07:00 and gradually building momentum. By 10:00, it reaches a moderate 4, signaling a need for caution. The intensity peaks at 12:00 and 13:00, where it hits a striking 8 and a scorching 10, indicating a heightened risk for sunburn. As the afternoon progresses, the index begins to taper off, dipping to 9 at 15:00, then gradually declining to 3 by 18:00. This hourly UV data serves as a reminder to stay protected during those critical midday hours when the sun’s rays are most potent.
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 | 4 | 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 | 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 |
The UV Index exhibits significant seasonal changes, with high-risk months typically occurring from April to September. During this period, UV levels rise, reaching a peak in June with an extreme index of 11 and a burn time of only 10 minutes. In contrast, January and February see moderate levels (UV Index 3 and 4) and longer burn times of 30 minutes. As the season progresses, residents and visitors are advised to take precautions, especially during high UV days in April (8), May (9), July (10), and August (9), where it’s crucial to wear sunscreen, protective clothing, and seek shade during peak hours. As fall approaches, the UV Index gradually declines, offering more moderate levels in October and lower risks in the winter months, allowing for safer outdoor activity.
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 |
Alcanar | 3 | 4 | 5 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 4 | 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 |
Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |