Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Castellanos de Zapardiel, Spain, particularly given its unique Csb climate. With UV levels peaking at a striking 11 around midday, awareness of these figures is essential for effective sunburn prevention and maintaining overall skin health. High UV exposure, especially during the summer months, can lead to serious skin issues if not properly managed. By staying informed about the daily UV Index, you can enjoy the beautiful outdoors of Castellanos de Zapardiel while minimizing the risks associated with intense sun exposure.
As the sun rises, the UV Index begins its gradual ascent, starting at a gentle 1 by 7:00 AM and maintaining that level until 9:00 AM. By 10:00 AM, it reaches a moderate 3, signaling the need for light protection. However, from 11:00 AM onward, the intensity ramps up significantly, peaking at an intense 11 by 2:00 PM. This hour marks the highest point of the day, urging everyone to take extra precautions against harmful UV rays. As the afternoon wanes, the index gradually declines, settling to a comfortable 4 by 6:00 PM and diminishing to a final 2 by 7:00 PM. Be mindful of the sun's power during peak hours to ensure a safe and enjoyable day outdoors!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | 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 | 9 | very high | 15 min |
| 14:00 | 10 | 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, seasonal variations in the UV Index indicate a significant shift in sun exposure risks. From January to February, UV levels remain in the moderate category, with a burn time of 30 minutes. However, as spring begins in March, the index rises to high, necessitating shorter exposure times of 25 minutes. The most critical months for UV exposure are April through August, where the index peaks at extreme levels of 11 in June and July, offering burn times as brief as 10 minutes. After this peak, UV levels gradually decline but remain very high until September. As temperatures cool into October and beyond, the risk decreases, with November and December reflecting moderate and low exposure risks respectively. Visitors and residents are advised to take precautions, especially during the high-risk months of April, May, June, and July, by seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the risks of sunburn and long-term skin damage.
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 |
| Castellanos de Zapardiel | 3 | 4 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 2 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |