Last updated: July 2, 2025
In Portugos, Spain, being aware of the UV Index is crucial for protecting your skin against harmful ultraviolet radiation. High UV levels can lead to sunburn and long-term skin damage, making it essential to understand when the sun's rays are at their strongest. This picturesque location, characterized by a Csa climate, presents its own set of UV exposure challenges, especially during the peak hours from 12 PM to 2 PM, when the index can reach a maximum of 12. Stay informed and take proactive steps to safeguard your skin while enjoying the beautiful Spanish sun!
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 |
| Portugos | 3 | 5 | 8 | 10 | 11 | 12 | 12 | 11 | 10 | 7 | 5 | 3 |