Last updated: July 2, 2025
In Castejon de Monegros, Spain, understanding the UV Index is crucial for safeguarding your skin against harmful ultraviolet radiation. Monitoring UV levels helps you take proactive measures to prevent sunburn and maintain overall skin health, especially during the peak hours when exposure can be most intense. With a Cfa climate, Castejon experiences significant sunlight throughout the year, presenting higher UV risks, particularly from midday to early afternoon when the index can reach a maximum of 10. Stay informed and enjoy the sun safely by keeping an eye on the UV Index!
As the day unfolds, the UV Index showcases its gradual rise, peaking during the midday sun. Starting at a mild 1 at 07:00, it climbs steadily, reaching 2 by 09:00, signaling the onset of more vibrant sunlight. The intensity escalates, hitting 4 by 10:00, and then surging to 6 at 11:00. 12:00 marks a pivotal moment as the UV Index reaches 8, intensifying even further to a striking 10 from 13:00 to 15:00, indicating a very high risk of harm from unprotected sun exposure. As the afternoon progresses, the index gently dips, falling to 8 at 16:00, 6 by 17:00, and tapering off to 4 at 18:00, before retreating to a moderate 2 by 19:00. This hourly portrait invites us to embrace the sun's warmth wisely, reminding us to prioritize protection during the peak hours when the UV Index soars.
| 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 | 10 | very high | 15 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, the UV Index fluctuates significantly, indicating varying levels of sun exposure risk for visitors and residents. The months of April through September are particularly critical, with April peaking at a UV Index of 8 (very high) and June reaching an extreme level of 11. The high-risk months—May, June, and July—demand heightened sun protection, as the burn time during these periods is reduced to just 10-15 minutes. In contrast, the winter months of December and January feature lower UV levels, with January's Index at 3 and a burn time of 30 minutes. To stay safe, residents and visitors should wear sunscreen, protective clothing, and avoid direct sunlight during peak hours, especially from April to September.
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 |
| Castejon de Monegros | 3 | 4 | 5 | 8 | 9 | 11 | 10 | 9 | 8 | 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 |