UV Index in Castronuno, Spain

Last updated: August 1, 2025

In Castronuno, Spain, awareness of the UV Index is crucial for protecting your skin and overall health. With the region's Csb climate, residents and visitors often encounter varying UV exposure levels throughout the day, peaking at a dangerous index of 11 around 2 PM. Understanding these UV levels is essential for effective sunburn prevention and maintaining long-term skin health. By staying informed, you can take proactive measures to shield yourself from harmful rays while enjoying the beautiful outdoors in this charming locale.

Hourly UV Index in Castronuno

As the sun rises, the UV Index begins its gradual ascent, starting at a gentle 1 by 7:00 AM and maintaining that level until 9:00 AM. By 10:00 AM, it reaches a moderate 3, signaling the need for light protection. However, from 11:00 AM onward, the intensity ramps up significantly, peaking at an intense 11 by 2:00 PM. This hour marks the highest point of the day, urging everyone to take extra precautions against harmful UV rays. As the afternoon wanes, the index gradually declines, settling to a comfortable 4 by 6:00 PM and diminishing to a final 2 by 7:00 PM. Be mindful of the sun's power during peak hours to ensure a safe and enjoyable day outdoors!

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
11:004moderate30 min
12:007high25 min
13:008very high15 min
14:009very high15 min
15:009very high15 min
16:008very high15 min
17:006high25 min
18:004moderate30 min
19:002low45 min

Monthly UV Index Trends in Castronuno

Throughout the year, the UV Index exhibits significant seasonal variations, with the highest risk months occurring between March and August. During this period, particularly in June and July, the UV Index reaches 11, categorized as extreme, with a burn time of just 10 minutes. In contrast, the winter months of January and February present a moderate risk with UV indices of 3 and 4, allowing for longer exposure times of 30 minutes. As spring approaches, starting in March, the UV index escalates to 7, indicating high risk, and quickly rises through April (8) and May (10). Visitors and residents are advised to take appropriate sun-safety precautions during the high-risk months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours, particularly in the summer months when UV exposure is at its highest.

Monthly Maximum UV Index for Castronuno, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Castronuno. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec347810111198642
Data source: Statistical UV Index data for Castronuno, 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 Castronuno UV Index with Other Spain Cities

The table above highlights how UV exposure in Castronuno 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.
Castronuno's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Barcelona UVI34578101097632
Zaragoza UVI34689111198632
Valencia UVI34689111098643
Castronuno347810111198642
Madrid UVI346810111198643
Sevilla UVI3579101110109743