Last updated: May 3, 2025
In Guia de Isora, Spain, being aware of the UV Index is crucial for protecting your skin and overall health. Understanding the UV levels throughout the day helps prevent sunburn and long-term skin damage, making it essential for both residents and visitors to take precautions during peak sun hours. Given Guia de Isora's Csb climate, where sunny days abound, the intensity of UV radiation can reach significant levels—peaking at 12 around midday. This highlights the importance of checking the UV Index regularly to enjoy the sun safely while safeguarding your skin's health.
As the sun rises, the UV Index remains low, starting at a maximum of 0 at 7:00 AM. However, by 8:00 AM, it ticks up to 1, signaling the beginning of UV exposure. The intensity climbs steadily, hitting 4 by 10:00 AM and reaching 6 at 11:00 AM. The peak occurs at 1:00 PM, with a striking 11, shortly followed by the highest level of 12 at 2:00 PM—a time when sun protection is crucial! As afternoon turns to evening, the index gradually declines, falling to 6 by 5:00 PM and tapering off to 3 at 6:00 PM, before settling at a gentle 2 by 7:00 PM. This data highlights the importance of seeking shade and wearing sunscreen during the midday hours when UV exposure is at its peak.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | 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 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 9 | 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 exhibit significant seasonal changes, with the highest risks occurring from March through September. During this peak period, the UV Index reaches extreme levels of 11 to 12, particularly in April, May, June, and July, where the recommended burn time drops to as little as 10 minutes. February and October also show higher UV indices of 7 and 9, categorizing them as high and very high, respectively. Residents and visitors should take special precautions during these months, such as wearing protective clothing, applying sunscreen, and seeking shade, especially during midday when the sun's rays are most intense. Conversely, January, November, and December present moderate UV levels, with longer burn times of 30 and 25 minutes, allowing for safer outdoor activities with reasonable sun protection.
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 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |
| Guia de Isora | 5 | 7 | 9 | 11 | 12 | 12 | 12 | 11 | 11 | 9 | 7 | 5 |