Last updated: June 2, 2025
Understanding the UV Index in Lillo, Spain is crucial for safeguarding your skin and overall health. With intense sun exposure, particularly during the midday hours where the UV levels peak at a staggering 12, being aware of these levels can help you prevent painful sunburns and long-term skin issues. Lillo's BSk climate presents unique sun exposure challenges, combining warm summers with clear skies, making it essential to stay informed about UV risks. By monitoring the UV Index, residents and visitors can enjoy the beautiful Spanish sun while effectively protecting their skin.
As the sun rises, the UV Index slowly increases, starting at a gentle 1 at 7:00 AM and 8:00 AM. By 9:00 AM, it climbs to 2, but it’s not until 10:00 AM that we see a more noticeable surge to 4. The intensity peaks magnificently at 12:00 PM, reaching an impressive 9, and then soars to its highest point of 12 at 2:00 PM. Just after, it stays strong at 11 until 3:00 PM before beginning to taper off. As the day winds down, the UV Index decreases to 4 by 6:00 PM before settling at 2 by 7:00 PM. Remember to protect your skin during those peak hours, particularly from 11:00 AM to 3:00 PM, when the sun's rays are most potent!
| 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 | 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 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index demonstrates significant seasonal changes, with the highest risk occurring in the summer months of June and July, where the index reaches an extreme level of 12 and 11 respectively, necessitating only 10 minutes of exposure before risk of burns increases. Notably, April through September marks a period of very high to extreme UV levels, with May peaking at a UV Index of 10. Visitors and residents should exercise caution, particularly from March onwards, as the risk escalates rapidly; sunscreen application, protective clothing, and avoidance of direct sunlight during midday hours are strongly advised. Conversely, the winter months of December through February present a lower risk, with moderate UV levels, allowing for more extended outdoor activities with proper 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 |
| Lillo | 3 | 5 | 6 | 9 | 10 | 12 | 11 | 10 | 9 | 7 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |