Last updated: May 3, 2025
In Estepa de San Juan, Spain, awareness of the UV Index is essential for safeguarding your skin from harmful ultraviolet rays. With peak UV levels reaching up to 10 during the hottest hours, understanding these measurements can help you take crucial steps for sunburn prevention and overall skin health. Nestled in a Cfb climate zone, Estepa de San Juan offers delightful weather, but with it comes a notable risk of intense sun exposure, especially from late morning to early afternoon. Stay informed and protect yourself by keeping an eye on the UV Index—you'll enjoy the sun while prioritizing your well-being.
As the sun rises, the UV Index begins at a modest 1 at 7:00 AM, indicating minimal exposure risk. It climbs steadily through the morning, reaching 2 by 9:00 AM and 3 by 10:00 AM. The real intensity hits at 12:00 PM, where the index peaks at a striking 8. During the height of the afternoon, from 1:00 PM to 3:00 PM, the UV Index reaches its maximum of 10, signaling a high risk for harm from unprotected sun exposure. As the day progresses, the levels gradually decline, settling back to 3 by 6:00 PM and tapering off to 2 by 7:00 PM. This data highlights the importance of sun protection, especially during the midday hours when UV exposure is most potent.
| 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 | 3 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 8 | very high | 15 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 | 3 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index exhibits significant seasonal variation, with the highest levels typically occurring during the summer months of June and July, where the index reaches an extreme rating of 11 and burn time reduces to 10 minutes. Notably, April and May also present very high exposure risks, with indices of 9 and 10 respectively, resulting in a burn time of only 15 minutes. Residents and visitors should be particularly cautious between March and September, as this period marks the transition from moderate to high-risk levels, with exposure becoming critical in the late spring and summer. It is advisable to apply broad-spectrum sunscreen, wear protective clothing, and seek shade during peak sunlight hours. During the winter months, particularly December, the UV Index drops to 2, indicating low levels of exposure, allowing for longer safe sun exposure times of 45 minutes. Always stay informed of daily UV forecasts to protect skin health throughout the year.
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 |
| Estepa de San Juan | 3 | 4 | 6 | 9 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 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 |