Last updated: July 2, 2025
Understanding the UV Index is essential for residents and visitors in Calmarza, Spain, where sunny days are common and ultraviolet radiation can pose significant health risks. By being aware of UV levels, you can effectively plan your outdoor activities to avoid sunburn and protect your skin health. With a Cfb climate that features warm summers and mild winters, Calmarza often experiences heightened UV exposure, especially during the midday hours when the index peaks at 11. Stay informed and take necessary precautions to enjoy the beautiful Spanish sunshine safely!
As the day unfolds, the UV Index rises dramatically, starting at a modest 1 by 07:00 and steadily climbing to a peak of 11 between 14:00 and 15:00. This surge highlights the importance of staying protected under the sun, especially from 12:00 to 15:00, when the index exceeds 8—a strong indicator of harmful UV exposure. After this midday peak, the index gradually declines, settling back to 4 by 18:00 and dipping to 2 by 19:00. Those planning outdoor activities should take precautions during the most intense hours when the sun's rays are the strongest, ensuring a safe and enjoyable experience in the sun.
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 | 11 | extreme | 10 min |
15:00 | 10 | very high | 15 min |
16:00 | 9 | 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 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 |
Madrid UVI | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
Calmarza | 3 | 4 | 6 | 8 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 2 |
Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |