Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of San Martin del Rio, Spain, where the climate often features warm summers and mild winters. Awareness of UV levels helps minimize the risk of sunburn and promotes long-term skin health, making it vital for outdoor activities, especially during peak hours. With UV readings often reaching as high as 10 during midday, it's essential to take precautions in this picturesque town that boasts ample sunshine. Stay informed and protect your skin while enjoying the beautiful vistas that San Martin del Rio has to offer!
As the sun rises, the UV Index starts off gently at 1 by 07:00, indicating minimal risk. By 09:00, it begins to climb, reaching a 2. However, the real surge happens as the clock strikes 10:00, with the index jumping to 4, signaling a more cautious approach to sun exposure. The peak occurs at 14:00, where the UV Index hits a striking 10, marking a high risk for skin damage. As afternoon transitions to evening, the values gradually decline, falling to 6 by 17:00 and tapering off further to 2 by 19:00. Make sure to enjoy the sunshine wisely, especially during 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 | 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 |
Throughout the year, UV levels fluctuate significantly, with the most intense exposure occurring from March to August. During these months, particularly in June and July, the UV Index reaches its peak at 11, categorized as extreme, with a critical burn time of just 10 minutes. These months represent high-risk periods for skin damage, necessitating vigilant sun protection. Conversely, January and February experience a moderate UV Index of 3 and 4, allowing for safer outdoor activities, though caution is still warranted. As a general guideline, residents and visitors should stay informed about the UV Index, especially during the high-risk months, and prioritize sun safety by using sunscreen, wearing protective clothing, and seeking shade during peak hours. In contrast, late fall and winter months show a gradual decline in UV levels, culminating in December's low UV Index of 2, allowing for longer exposure without significant risk of sunburn.
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 |
| San Martin del Rio | 3 | 4 | 6 | 8 | 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 |