UV Index in Castelldefels, Spain

Last updated: July 2, 2025

In Castelldefels, Spain, understanding the UV Index is essential for protecting your skin and maintaining overall health in the sun-drenched Mediterranean climate. With peak UV levels often soaring to a high of 10 during midday, awareness of these numbers is key to preventing sunburn and reducing long-term skin damage. By monitoring UV exposure, residents and visitors can take proactive measures to safeguard their skin, ensuring that sunny days at the beach or outdoor activities remain enjoyable and safe. Embrace the beauty of Castelldefels while keeping your skin health in check!

Hourly UV Index in Castelldefels

The UV Index today shows a striking rise in intensity as the morning unfolds. Starting at 1 at 7:00 AM, it gradually increases to 2 by 9:00 AM. The sunshine peaks dramatically at 10:00 AM, reaching a robust 4, before soaring to its highest point of 10 at 2:00 PM. As the afternoon sun begins its descent, the index slightly dips but remains notable at 9 until 3:00 PM. The day transitions into the evening with values gently falling to 3 by 6:00 PM. With this data, it's clear that protecting your skin during the midday hours—especially between 12:00 PM and 2:00 PM—is essential for safety 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
07:001low45 min
08:001low45 min
09:002low45 min
10:004moderate30 min
11:006high25 min
12:008very high15 min
13:009very high15 min
14:0010very high15 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Castelldefels

During the year, UV levels fluctuate significantly, with high-risk months typically occurring between April and August, when the UV Index reaches its peak at 9 to 10, corresponding to a very high exposure category and a burn time of just 15 minutes. May, June, and July are particularly critical, urging both visitors and residents to take extra precautions during outdoor activities. In contrast, January through March and November to December present moderate to low UV Index levels, giving individuals longer burn times before requiring sun protection. To minimize skin damage, it's advisable to wear sunblock, protective clothing, and hats during high UV Index periods, especially in the summer months.

Monthly Maximum UV Index for Castelldefels, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Castelldefels. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Statistical UV Index data for Castelldefels, 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 Castelldefels UV Index with Other Spain Cities

The table above highlights how UV exposure in Castelldefels 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.
Castelldefels's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Barcelona UVI34578101097632
Castelldefels34579101097632
Zaragoza UVI34689111198632
Valencia UVI34689111098643
Madrid UVI346810111198643
Sevilla UVI3579101110109743