Last updated: May 3, 2025
In Castro de Rei, Spain, maintaining awareness of the UV Index is crucial for protecting your skin and overall health. Understanding UV levels can significantly aid in sunburn prevention and promote long-term skin health, especially in this region known for its mild, oceanic climate (Csb). With UV exposure peaking between 12 PM and 3 PM, reaching levels as high as 9, it's essential to stay informed and take preventive measures during these peak hours to ensure safe outdoor enjoyment in this beautiful locale.
From 7:00 AM to 10:00 AM, the UV Index gradually climbs, peaking at a moderate level of 3 by 10:00 AM. As the sun rises higher, the intensity increases sharply, with the index soaring to 7 by noon. The peak of the day comes at 1:00 PM and 2:00 PM, hitting a striking 9—a reminder to take precautions against harmful UV rays. Fortunately, the index begins to wane in the late afternoon, dropping to 6 by 5:00 PM and continuing its descent to 4 by 6:00 PM. As evening approaches, the UV Index falls further, reaching a more manageable 2 at 7:00 PM. It's crucial to stay protected from the midday sun, especially between 11:00 AM and 3:00 PM when UV exposure is at its highest.
| 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 | 5 | moderate | 30 min |
| 12:00 | 7 | 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 |
| Castro de Rei | 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 |