Last updated: July 2, 2025
Understanding the UV Index is crucial for residents and visitors in Treviana, Spain, where the Cfb climate brings mild summers and potential sun exposure risks. As UV levels can soar to a high of 10 during midday hours, being aware of these fluctuations is essential for preventing sunburn and protecting your skin health. By keeping an eye on the UV Index, you can make informed decisions about sun protection, allowing you to enjoy the beautiful outdoor settings of Treviana while minimizing harmful effects. Stay informed and keep your skin safe!
The UV Index today presents a clear picture of the sun's intensity as it rises and falls throughout the day. Starting off gently at a maximum of 1 between 7:00 AM and 8:00 AM, the index steadily climbs to 3 by 10:00 AM. However, from 11:00 AM to 3:00 PM, the UV rays reach their peak, hitting a striking 10 by 1:00 PM—dangerous levels warranting protection! After this peak period, the intensity begins to decline, falling to 6 at 5:00 PM and tapering off to 2 by 7:00 PM. While the early hours are safe for outdoor activities, it’s essential to stay vigilant during midday when UV exposure is at its most potent. Remember to apply sunscreen and seek shade when necessary!
| 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 | 3 | 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 | 9 | very high | 15 min |
| 17:00 | 6 | high | 25 min |
| 18:00 | 4 | moderate | 30 min |
| 19:00 | 2 | low | 45 min |
The UV Index exhibits significant seasonal variation, peaking during the summer months. January to February shows a moderate risk with an index of 3 to 4, allowing for approximately 30 minutes of safe exposure. As spring arrives, March increases to a high index of 6, reducing safe exposure time to 25 minutes. The risk escalates rapidly in April and May, reaching very high levels of 8 and 10 respectively, necessitating protective measures after 15 minutes in the sun. June presents the most extreme UV conditions with an index of 11—with a mere 10 minutes of safe exposure—making this the highest risk month. July and August remain critical with 10 and 9, while September sees a slight decline to 8. As autumn descends, October returns to a high index of 6, then drops to moderate in November and low by December. Visitors and residents are advised to take precautions during April through September, including using sunscreen, wearing protective clothing, and seeking shade during peak sun hours.
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 |
| Treviana | 3 | 4 | 6 | 8 | 10 | 11 | 10 | 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 |