Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Vicente de Alcantara, Spain, where the sun shines brightly in a Csa climate. With UV levels peaking at a dangerous 11 during midday hours, being aware of these measurements helps in preventing sunburn and preserving skin health. As you bask in this picturesque locale, understanding and monitoring UV exposure is essential to enjoy the sun safely and protect your skin from its harmful effects. Be sure to stay informed about daily UV forecasts to make the most of your time outdoors while safeguarding your health against excessive UV rays.
The UV Index throughout the day reveals a notable trend, starting at a calm 1 at 7:00 AM and gradually climbing to its peak of 11 during the peak afternoon hours of 1:00 PM and 2:00 PM. As the sun climbs higher in the sky, the intensity of ultraviolet radiation increases, reaching a sharp rise to 10 by noon, signaling caution for outdoor activities. After the early afternoon, the index begins to decline, drifting down to 5 by 5:00 PM and tapering off to a gentle 1 by 7:00 PM. This data highlights the importance of sun safety, particularly during the mid-day hours when UV exposure is at its strongest. Remember to wear protective clothing and sunscreen when the UV Index rises!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 7 | high | 25 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
As the seasons change, so do UV radiation levels, significantly impacting sun safety for residents and visitors. From January to February, the UV Index remains at a moderate level (3-4), with a burn time of 30 minutes. In March, the index rises to 6, classifying it as high, with a reduced burn time of 25 minutes. The real risk begins in April, when the UV Index skyrockets to 9 (very high), with a burn time of just 15 minutes. The peak arrives during June, where the Index reaches 11, categorized as extreme, leading to a minimal burn time of 10 minutes. This elevated risk continues through July and August, before tapering off in September to a still significant 8, and returning to high levels of 6 in October. As UV levels decline in November and December, with indices dropping back to moderate (3-4), residents and visitors should take special care from April to September, practicing sun safety measures, including using sunscreen, wearing protective clothing, and seeking shade during peak hours.
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 |
| San Vicente de Alcantara | 3 | 4 | 6 | 9 | 10 | 11 | 10 | 10 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |