Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Lanteira, Spain, a town known for its beautiful Mediterranean climate and abundant sunshine. With UV levels reaching as high as 12 during the peak hours, being aware of these values is essential for preventing sunburn and protecting your skin health. In a region defined by its Csa climate, the risk of overexposure to harmful UV rays is significant, especially from late morning to mid-afternoon. By staying informed about the UV Index, you can make safer decisions to enjoy the outdoors while safeguarding your well-being.
As the sun rises, the UV Index gradually climbs, starting at a gentle 1 at 07:00 and maintaining that level through 08:00. By 09:00, it reaches 2, but the real intensity kicks in as the clock approaches midday. At 11:00, the index surges to 6, and by noon, it skyrockets to a burning 8. The peak of the day arrives between 13:00 and 14:00, where the UV Index hits a blistering 11 and 12, indicating the need for diligent sun protection. As the afternoon wanes, the intensity begins to taper off— falling to 9 at 16:00, then 7 at 17:00. By the time evening arrives, the index drops to a safer 4 at 18:00, and finally settles at 2 by 19:00, signaling a welcome respite from the sun's rays.
| 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 | 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 |
As the seasons change, so do the UV Index levels and associated risks for sun exposure. From January to February, the UV Index remains moderate (3-5), allowing for 30-minute burn times without immediate danger. However, a significant rise occurs in March through August, with very high (8-10) and extreme (11-12) levels reached, particularly in May through July, where burn times drop to just 10 minutes. September brings a slight decrease, returning to very high levels, while October and November see a moderation again, with burn times extending to 25-30 minutes. Visitors and residents should take extra precautions, especially from March to August, by seeking shade, wearing protective clothing, and applying sunscreen frequently during these high-risk months.
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 |
| Lanteira | 3 | 5 | 8 | 10 | 11 | 12 | 12 | 11 | 10 | 7 | 5 | 3 |