Last updated: May 3, 2025
Staying informed about the UV Index is crucial for residents and visitors in Rena, Spain, where the Mediterranean climate often brings sunny days with heightened sun exposure. Understanding UV levels is essential not only for sunburn prevention but also for promoting long-term skin health. During the summer months, Rena experiences significant UV radiation, peaking at a high of 10 between 1 PM and 3 PM—a time when protective measures are vital to safeguard against skin damage. By being aware of the UV Index, you can effectively enjoy the outdoors while minimizing risks related to sun exposure.
As the sun rises, the UV Index starts at a gentle 1 at 07:00, perfect for early risers. By 09:00, it climbs to 2, signaling a hint of caution for those venturing outdoors. The intensity ramps up swiftly, peaking at 10 between 14:00 and 15:00, indicating high levels of UV exposure—definitely a time to seek shade and wear protection! As the afternoon wanes, the index gracefully declines, dropping to 4 by 18:00, and settling back to 2 by 19:00. This hourly journey highlights the vital importance of sun safety, especially during those peak hours when the sun is at its most potent!
| 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 | 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 | 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 index levels fluctuate significantly, highlighting the need for heightened awareness during specific months. From January to February, the UV index remains in the moderate category (3-4), allowing for a burn time of up to 30 minutes. However, as spring approaches, March brings a jump to high (UV index 7), and by April, it reaches a very high level (UV index 9) with a reduced burn time of only 15 minutes. The summer months of June and July experience an extreme (UV index 11) and very high index (UV index 10) respectively, demanding caution as burn time decreases to just 10-15 minutes. August and September maintain a very high level, only slightly easing in October with a high index (UV index 6). The year concludes with lower UV levels in November and December (moderate level again), where burn time extends back to 30 minutes. For visitors and residents, it is crucial to take protective measures during high-risk months, particularly from March through September, to prevent sunburn and long-term skin damage. Always use sunscreen, wear protective clothing, and seek shade whenever possible during peak UV exposure times.
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 |
| 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 |
| Rena | 3 | 4 | 7 | 9 | 10 | 11 | 10 | 9 | 8 | 6 | 4 | 3 |
| Sevilla UVI | 3 | 5 | 7 | 9 | 10 | 11 | 10 | 10 | 9 | 7 | 4 | 3 |