Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Mugía, Spain, where the sun can be both a friend and a foe. With its Csb climate, characterized by mild summers and wet winters, the summer months can still pose significant UV risks. Knowing the UV levels helps in effectively preventing sunburn and protecting your skin health, as the intensity peaks around midday, reaching levels of 9 between 1 PM and 3 PM. Staying informed about these levels allows you to enjoy the sunny coastal beauty of Mugía while safeguarding yourself against harmful UV radiation.
The UV Index throughout the day tells an intriguing story of the sun's intensity. Starting from a cool 0 at 07:00, it gradually rises to 1 by 09:00, signaling the arrival of stronger rays. By 12:00, the index reaches 6, indicating it's time to protect your skin. As we approach the peak, 13:00 and 14:00 mark the highest levels at 8 and 9, respectively, urging caution for sun lovers. The intensity begins to wane after 15:00, dropping back to 7 at 17:00 and gently easing to 3 by 19:00. This daily cycle highlights the importance of sun safety, especially during those midday hours when the UV rays are at their fiercest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 1 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 6 | high | 25 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 7 | high | 25 min |
| 18:00 | 5 | moderate | 30 min |
| 19:00 | 3 | moderate | 30 min |
As the seasons change, so does the UV Index, which is crucial for understanding sun exposure risks throughout the year. January and December show the lowest UV levels (Index 2), indicating a low risk of harm, with a burn time of 45 minutes. However, from February to October, UV levels steadily increase, peaking in June at an Index of 10, corresponding to a very high exposure category and a burn time of just 15 minutes. The high-risk months are from April to August, where the UV Index remains at 8 or higher, making it essential for visitors and residents to take precautions such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. September and October see a slight decline, yet caution remains warranted with high levels persisting. From November to February, the risk decreases significantly, though awareness should still be maintained during those transitioning months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mugia | 2 | 4 | 6 | 8 | 8 | 10 | 9 | 9 | 7 | 6 | 3 | 2 |
| 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 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |