Last updated: June 2, 2025
Understanding the UV Index in San Martin de Valdeiglesias is crucial for protecting your skin and health. With its Csa climate characterized by hot summers, awareness of UV levels is essential for sunburn prevention and reducing long-term skin risks. From late morning to early afternoon, the UV Index can soar to very high levels, peaking at 11 around 2 PM, making it vital for residents and visitors to stay informed. This knowledge empowers you to take appropriate precautions, ensuring you enjoy the beautiful Spanish sunshine safely.
As the sun rises, the UV Index begins its slow ascent, starting at a mild 1 at 07:00 and 08:00. By 09:00, it climbs to 2, but it's between 10:00 and 12:00 that the intensity really spikes, reaching 4 and peaking at a sizzling 9 at noon. The heat of the day hits its maximum at 13:00 and 14:00, with a peak UV Index of 11, indicating high risk for harm from unprotected sun exposure. As the sun begins its descent, the index gradually drops, falling back to 4 by 18:00 and tapering off to 2 by 19:00. Stay protected during the peak hours to enjoy the sunny day safely!
| 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 | 10 | very high | 15 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, the UV Index experiences significant seasonal fluctuations, impacting sun safety for both visitors and residents. High-risk months occur from March through August, where the UV Index reaches high to extreme levels, particularly peaking at 11 in June and July, making protection essential. During these months, the recommended burn time decreases sharply to as little as 10 minutes, indicating the urgent need for sunscreen, hats, and protective clothing. In contrast, the winter months of January through February, and November through December present a lower risk with moderate exposure levels, allowing for a more leisurely enjoyment of sun exposure with 30-minute burn times. Residents and visitors are advised to remain vigilant regardless of the season and to adapt sun protection measures accordingly, especially when UV levels rise.
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 |
| San Martin de Valdeiglesias | 3 | 4 | 7 | 9 | 10 | 11 | 11 | 9 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |