Last updated: June 2, 2025
In Otero de Herreros, Spain, being aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels is essential for preventing sunburn and maintaining overall skin health, particularly during the peak sunlight hours when the UV Index reaches 11, indicating an extreme risk of harm from unprotected sun exposure. With its Csb climate, Otero de Herreros experiences warm summers, making it vital for residents and visitors alike to stay informed about the UV Index to enjoy the outdoors safely. Take proactive steps to shield yourself and your loved ones; your skin will thank you!
The UV Index shows a dynamic fluctuation throughout the day, starting at a mild 1 early in the morning (07:00 and 08:00) and gradually rising to a moderate 2 by 09:00. However, as the sun climbs higher, the intensity escalates dramatically, peaking at a striking 11 between 13:00 and 15:00—indicative of a high risk for harm from unprotected sun exposure. After reaching its zenith, the index gracefully tapers off, dropping to 9 by 16:00 and ultimately settling at a more manageable 2 by 19:00. It’s a day that demands attention to sun safety, particularly in the peak hours!
| 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 | 4 | moderate | 30 min |
| 11:00 | 6 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 11 | extreme | 10 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV levels exhibit significant seasonal fluctuations, peaking in the summer months. January and February present moderate UV levels (Index 3-4), allowing for a burn time of about 30 minutes. As spring arrives in March, the UV Index sharply rises to 7, marking the beginning of high-risk months, with reduced burn time of 25 minutes. The peak risk months are April to July, where the UV Index reaches 9-11 (very high to extreme), necessitating vigilant sun protection with a burn time as low as 10 minutes in June and July. Conditions remain risky into August and September (UV Index 8-10), before tapering off in October and returning to moderate levels by November and December. Residents and visitors are advised to take extra precautions during these high-risk months, such as seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize the risk of harmful UV exposure.
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 |
| Otero de Herreros | 3 | 4 | 7 | 9 | 10 | 11 | 11 | 10 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |