Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Puerto del Rosario, Spain, where the sun shines brightly in a BWh climate zone. The UV levels in this coastal paradise can reach dangerous heights, peaking at 12 around midday, highlighting the importance of sunburn prevention and maintaining skin health. By staying informed about these UV levels, you can protect yourself from harmful effects like premature aging and skin cancer. Given the city’s typical sunny weather, being UV aware is not just smart—it's essential for enjoying outdoor activities safely.
As the sun rises, the UV Index starts off at a low 1 at 07:00, gradually climbing to 2 by 09:00. However, the intensity peaks dramatically around 12:00, reaching an impressive 9. This midday sun continues to blaze, hitting its zenith at 13:00 with a staggering 11 before cresting at 14:00 with a high of 12. The afternoon brings a decrease, with values dropping to 10 by 15:00, and further declining to 5 at 17:00. As the day winds down, the index further retreats to 3 by 18:00, and lands back at 1 as night falls at 19:00. It’s a clear reminder of the importance of sun protection during those peak hours, especially between 11:00 and 14:00 when UV rays are at their strongest!
| 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 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 5 | moderate | 30 min |
| 18:00 | 3 | moderate | 30 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, indicating varying levels of sun exposure risk. The high-risk months are primarily from March through October, where the UV Index consistently reaches very high to extreme levels, peaking at 12 in May. During these months, the burn time reduces drastically to 10-15 minutes, highlighting the need for increased sun protection. Residents and visitors should prioritize wearing sunscreen, protective clothing, and seeking shade during peak hours, particularly in the summer months of April to August. Conversely, from November to February, the UV levels drop to moderate and high categories, allowing for longer safe exposure times of 25-30 minutes. However, it remains essential to remain vigilant about sun protection, particularly during transitions out of winter as UV strength begins to rise.
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 |
| Puerto del Rosario | 5 | 7 | 9 | 11 | 12 | 11 | 11 | 11 | 10 | 8 | 6 | 5 |