Last updated: July 2, 2025
In Villanueva de San Juan, Spain, awareness of the UV Index is crucial for safeguarding your skin and overall health. With the area’s Mediterranean climate, locals and visitors alike face notable risks from ultraviolet radiation, particularly during the peak hours of sunshine. Understanding the daily UV levels—notably reaching a high of 11 at 2 PM—is essential for sunburn prevention and ensuring long-term skin health. By staying informed about UV Index trends, you can enjoy the sun safely while protecting yourself from potential harmful effects.
The UV Index for the day shows a dynamic progression as the sun rises, starting from a comfortable level of 0 at 7:00 AM. By 8:00 AM and 9:00 AM, it remains low at 1, making it an ideal time for outdoor activities. However, as the sun climbs higher, the UV Index jumps to 3 by 10:00 AM, and by 11:00 AM, it escalates to 5, signaling the need for sun protection. The peak occurs at 1:00 PM with a significant level of 10, indicating very high exposure risk. It reaches its maximum of 11 at 2:00 PM before gradually descending. By late afternoon, the index drops to 4 by 6:00 PM, providing a safer environment for evening outings. As the sun sets, the UV Index diminishes further, concluding the day at 2 by 7:00 PM. Be sure to stay protected during the peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 5 | moderate | 30 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 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index experiences notable variations, with the highest risk months occurring from April to August. During this period, the UV Index peaks at 11 in June and July, categorizing these months as having extreme exposure levels with a burn time of just 10 minutes. In contrast, the lowest risk months are January and December, where the UV Index remains at 3, indicating a moderate risk with a burn time of 30 minutes. Visitors and residents are strongly advised to take precautions during peak months by applying sunscreen, wearing protective clothing, and seeking shade, particularly between 10 a.m. and 4 p.m. to minimize the risk of sunburn and skin damage.
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 |
| Villanueva de San Juan | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 7 | 4 | 3 |