Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Barro, Spain, where the climate can expose you to significant sun intensity, particularly during the summer months. Awareness of UV levels helps prevent sunburn, reduces the risk of skin cancer, and promotes overall skin health. With peak UV Index values reaching up to 9 from 1 PM to 3 PM, it's essential to be vigilant about sun protection strategies during the hottest hours of the day. In Barro's Csb climate zone, the combination of mild temperatures and increased sun exposure during certain hours highlights the need for proactive UV awareness to enjoy the beautiful outdoors safely.
From the early morning hours, the UV Index remains low, peaking at 1 between 07:00 and 09:00. As the day progresses, the intensity of UV radiation increases, reaching 4 by 11:00. The sun's rays truly ramp up by 12:00, soaring to 6, and reaching an impressive height of 9 during the peak hours of 14:00 and 15:00. Following this zenith, the UV Index gradually declines, dropping to 4 at 18:00 and falling further to 2 by 19:00. It's a vivid reminder of the need for sun protection during the peak hours of midday!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, the UV Index shows significant seasonal changes, with the highest risk months occurring from April to August, when the index frequently reaches levels of 9 and 10, indicating very high exposure risk. During these months, the burn time is as low as 15 minutes, emphasizing the need for protective measures. In contrast, the winter months of January and December have a low UV Index of 2, allowing for longer exposure times of 45 minutes without concern. Visitors and residents are advised to be particularly diligent about sun safety from March to August, using sunscreen, wearing protective clothing, and seeking shade during peak hours to reduce the risk of harmful UV exposure. Overall, while UV levels are lower in the colder months, caution is always recommended as conditions can vary.
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 |
| Barro | 2 | 4 | 6 | 8 | 9 | 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 |