Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Lousame, Spain, where the sun can be both a source of warmth and a cause for concern. With a climate characterized by mild summers, awareness of UV levels becomes essential for preventing sunburn and protecting skin health. As the UV Index peaks at a harmful 10 during the midday hours, it's vital to take precautions to reduce exposure and safeguard your skin. Whether you're enjoying the beautiful outdoors or just going about your daily routine, knowing when the sun’s rays are at their strongest can help you stay safe and healthy.
The UV Index throughout the day displays a dynamic progression in intensity. Starting off gently, the index hovers at a comfortable level of 1 from 07:00 to 09:00. However, as the sun climbs higher, we witness a noticeable surge: by 10:00, the level reaches 3, and by 11:00, it escalates to 5. Peak exposure occurs between 12:00 and 15:00, with the index soaring to 7 at noon and hitting a high of 10 by 14:00 and 15:00. Afterward, the UV levels begin to taper off, dropping to 9 by 16:00, and gradually retreating to 3 by 19:00. This data underscores the importance of sun protection during the sun’s zenith for outdoor enthusiasts.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | 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 | 9 | very high | 15 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 9 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 5 | moderate | 30 min |
| 19:00 | 3 | moderate | 30 min |
The UV Index experiences significant seasonal fluctuations, with the highest levels typically occurring from April to August. During this peak period, the UV Index reaches very high levels, particularly in June with a maximum of 10, indicating a burn time of only 15 minutes. March marks the transition to higher risk, classified as high, with a UV Index of 6 and a burn time of 25 minutes. Conversely, the winter months of January and December show a low UV Index of 2, allowing for extended exposure of up to 45 minutes without risk of burns. Given this data, it is crucial for visitors and residents to take extra precautions during April to August by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to minimize the risk of skin damage.
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 |
| Lousame | 2 | 4 | 6 | 8 | 9 | 10 | 9 | 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 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |