UV Index in Rello, Spain

Last updated: August 1, 2025

Understanding the UV Index in Rello, Spain is crucial for protecting yourself from harmful ultraviolet radiation. With the region's Cfb climate, residents and visitors alike must be vigilant about UV levels, especially during the peak hours when the index can soar to a maximum of 11 around midday. Awareness of these fluctuations not only helps in sunburn prevention but also promotes better skin health over time. As sunny days draw people outdoors, recognizing the risks associated with high UV exposure is essential for enjoying all that Rello has to offer while staying safe.

Hourly UV Index in Rello

As the day unfolds, the UV Index rises dramatically, starting at a modest 1 by 07:00 and steadily climbing to a peak of 11 between 14:00 and 15:00. This surge highlights the importance of staying protected under the sun, especially from 12:00 to 15:00, when the index exceeds 8—a strong indicator of harmful UV exposure. After this midday peak, the index gradually declines, settling back to 4 by 18:00 and dipping to 2 by 19:00. Those planning outdoor activities should take precautions during the most intense hours when the sun's rays are the strongest, ensuring a safe and enjoyable experience in the sun.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:000low45 min
08:001low45 min
09:001low45 min
10:003moderate30 min
11:005moderate30 min
12:007high25 min
13:009very high15 min
14:0010very high15 min
15:009very high15 min
16:008very high15 min
17:006high25 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Rello

The UV Index shows significant seasonal variation, with the highest values occurring during the summer months. From March to August, the UV Index climbs from 6 in March to a peak of 11 in both June and July, indicating extreme exposure risks and a burn time as short as 10 minutes. April and May also present very high risks, with indices of 9 and 10, respectively. In contrast, the UV Index drops to moderate levels during the winter months, specifically in January, February, and November, with values ranging from 2 to 4, where burn times extend from 30 to 45 minutes. As such, it is crucial for visitors and residents to exercise extra caution during the high-risk months of April to August, by wearing sunscreen, hats, and protective clothing, and limiting outdoor activities during peak sun hours to avoid harmful solar exposure.

Monthly Maximum UV Index for Rello, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Rello. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3469101111108642
Data source: Statistical UV Index data for Rello, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Rello UV Index with Other Spain Cities

The table above highlights how UV exposure in Rello compares to other major locations across Spain. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Rello's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Barcelona UVI34578101097632
Zaragoza UVI34689111198632
Valencia UVI34689111098643
Madrid UVI346810111198643
Rello3469101111108642
Sevilla UVI3579101110109743