Last updated: August 1, 2025
Awareness of the UV Index is crucial in Castrejon de la Pena, Spain, where the Mediterranean climate can result in significant sun exposure. Understanding UV levels is essential for preventing sunburn and protecting skin health, as high UV indices can lead to long-term damage. In this charming locale, peak UV exposure occurs during the midday hours, with readings soaring to 10 between 1 PM and 3 PM, highlighting the need for precautions. With this knowledge, residents and visitors can enjoy the sun safely while minimizing their risk.
The UV Index shows a dramatic rise in intensity throughout the day, starting from a modest 1 at 07:00 and 08:00. As the sun climbs higher, the index escalates to 3 by 10:00 and peaks at an intense 10 between 13:00 and 15:00, indicating a strong risk of harm from unprotected sun exposure. After this peak, it gradually declines, landing at 4 by 18:00 before settling down to 2 at 19:00. Those planning outdoor activities should heed this UV warning and take protective measures, especially during the midday hours when the sun is the most powerful.
| 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 | 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 |
The UV Index shows significant seasonal changes, with the highest values occurring during the summer months. From January to February, the UV Index rises modestly from 2 to 4, indicating a shift from low to moderate exposure risks. However, as we move into March and April, the UV Index escalates, peaking in June at 11, categorized as extreme exposure, where the burn time is reduced to just 10 minutes. July and August maintain very high levels, with an index of 10 and 9 respectively, warranting careful sun protection measures. The risk begins to decline in September and October, but remains notable with values of 8 and 6. High-risk months primarily include April through August, where it’s crucial for visitors and residents to limit sun exposure during peak hours, apply sunscreen regularly, and wear protective clothing to reduce the risk of skin damage. As the year closes, the UV Index drops back to lower levels, signaling a return to safer conditions in November and December.
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 |
| Castrejon de la Pena | 2 | 4 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 3 | 2 |
| 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 |