Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Berriozar, Spain, where mild summers and refreshing winters meet diverse outdoor activities. Being aware of UV levels helps prevent sunburn and promotes long-term skin health, making it essential to monitor daily exposure, especially during peak hours. With UV Index values in Berriozar reaching as high as 11 during the summer months, the risk of harm from unprotected sun exposure increases significantly. Stay informed and protect your skin, ensuring a safe and enjoyable experience in this beautiful town nestled in a temperate climate.
As the sun rises, the UV Index starts off mild, peaking at a gentle 1 by 8:00 AM. However, as the hours progress, the intensity ramps up significantly. By 10:00 AM, the index hits a moderate 4, escalating to a 6 by 11:00 AM. The sun reaches its zenith at 1:00 PM, where the UV Index soars to an intense 10, and even peaks at a blistering 11 by 2:00 PM. After this peak, the levels gradually decline, with 8 by 4:00 PM and slipping down to 2 as the sun sets at 7:00 PM. This hourly shift serves as a reminder to stay protected during the highest UV exposure times, especially between noon and early afternoon.
| 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 | 10 | very high | 15 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 10 | very high | 15 min |
| 16:00 | 8 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
Throughout the year, UV radiation levels exhibit significant seasonal variations, peaking in the summer months. March marks the beginning of high-risk UV exposure with an index of 6, escalating to an extreme level of 11 in June. The highest risk months are April to August, with values consistently at 8 or above, suggesting severe caution for sun exposure. Visitors and residents are advised to limit outdoor activities during peak hours (10 AM - 4 PM) and to wear protective clothing, apply broad-spectrum sunscreen, and seek shade whenever possible, particularly in the very high and extreme categories. As UV levels drop in the fall and winter, January and February present moderate risks with longer burn times of 30 minutes, allowing for more leisurely sun exposure, but caution should still be exercised.
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 |
| Berriozar | 3 | 4 | 6 | 8 | 9 | 11 | 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 |