Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of San Esteban de Nogales, Spain, where the combination of a Csb climate and varying UV levels can pose significant risks to skin health. As peak UV readings can soar to 11 from late morning to mid-afternoon, being aware of these levels is essential for preventing sunburn and protecting your skin. With abundant sunshine characteristic of this region, knowing when to seek shade or apply sunscreen can make all the difference in enjoying the outdoors safely while maintaining your skin's health.
The UV Index throughout the day reveals a dynamic pattern of sun exposure. Starting from a mild 1 at 7:00 AM, the index gradually rises, peaking at an intense 11 between 14:00 and 15:00. This is a critical time for outdoor activities, as exposure to sunlight becomes increasingly intense. Notably, the index jumps from 6 at 11:00 AM to 8 at noon, finally hitting its zenith with a blistering 10 at 1:00 PM. As the sun begins its descent, the UV index graciously falls, settling at 5 by 6:00 PM and tapering off to 3 by 7:00 PM. Be cautious during the peak hours for effective sun safety!
| 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 | 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 | 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, UV Index levels exhibit significant seasonal variations, with the highest risks occurring during the spring and summer months. From March to September, the UV Index consistently remains at high to extreme levels, with the most critical months being June and July, where the UV Index peaks at 11 and 10, respectively. During these periods, the recommended burn times are notably short, ranging from 10 to 15 minutes, indicating a high likelihood of skin damage with unprotected exposure. Conversely, the winter months of January and December present low UV levels (Index 2), allowing for longer sun exposure (up to 45 minutes) without significant risk. To protect against harmful UV exposure, visitors and residents are advised to apply broad-spectrum sunscreen, wear protective clothing, and seek shade, particularly during the high-risk months from April to August.
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 |
| San Esteban de Nogales | 2 | 4 | 6 | 8 | 10 | 11 | 10 | 9 | 8 | 6 | 3 | 2 |
| 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 |