UV Index in Andorra, Spain

Last updated: July 2, 2025

In Andorra, Spain, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps in preventing painful sunburn but also plays a vital role in long-term skin health. Nestled in the picturesque Pyrenees, Andorra enjoys a Cfb climate, which, while delightful, can pose unique UV exposure risks, especially during peak hours. Between 11 AM and 3 PM, UV indices can soar as high as 11, indicating an extreme risk of harm from unprotected sun exposure. Stay informed and protect yourself while enjoying the stunning outdoors!

Hourly UV Index in Andorra

As the sun rises, the UV Index starts off mild, peaking at a gentle 1 by 8:00 AM. However, as the hours progress, the intensity ramps up significantly. By 10:00 AM, the index hits a moderate 4, escalating to a 6 by 11:00 AM. The sun reaches its zenith at 1:00 PM, where the UV Index soars to an intense 10, and even peaks at a blistering 11 by 2:00 PM. After this peak, the levels gradually decline, with 8 by 4:00 PM and slipping down to 2 as the sun sets at 7:00 PM. This hourly shift serves as a reminder to stay protected during the highest UV exposure times, especially between noon and early afternoon.

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
13:0010very high15 min
14:0011extreme10 min
15:0010very high15 min
16:008very high15 min
17:006high25 min
18:004moderate30 min
19:002low45 min

Monthly UV Index Trends in Andorra

The UV Index experience varies significantly throughout the year, with notable seasonal changes influencing exposure risks. From January to February, the UV Index remains moderate (3-4), requiring about 30 minutes for burn onset. However, as spring approaches in March (UV Index 6), the risk escalates to high, with a reduced burn time of 25 minutes. The summer months, particularly June and July, present the highest risk, reaching an extreme level with a UV Index of 11, where skin can burn in as little as 10 minutes. May and August follow closely with very high levels (9), while September and October see a return to high levels (8-6). As the year winds down, November and December drop to moderate and low categories, with burn times extending to 30-45 minutes. As such, visitors and residents should take extra precautions during high-risk months, particularly from March through September, by applying sunscreen, wearing protective clothing, and seeking shade during peak hours to minimize UV exposure.

Monthly Maximum UV Index for Andorra, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Andorra. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec346810111198642
Data source: Statistical UV Index data for Andorra, 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 Andorra UV Index with Other Spain Cities

The table above highlights how UV exposure in Andorra 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.
Andorra's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Barcelona UVI34578101097632
Zaragoza UVI34689111198632
Valencia UVI34689111098643
Andorra34689111198642
Madrid UVI346810111198643
Sevilla UVI3579101110109743