UV Index in Andorra la Vella, Andorra

Last updated: May 3, 2025

In Andorra la Vella, understanding the UV Index is crucial for maintaining skin health and preventing sunburns. With its Cfb climate featuring mild summers and relatively high altitude, the risks of harmful UV exposure can escalate, especially during the peak hours between 12 PM and 2 PM when the index reaches levels of 8 to 10. By staying informed about UV levels, residents and visitors alike can better protect themselves from the sun's damaging effects, ensuring safe enjoyment of this beautiful region's outdoor activities year-round.

Hourly UV Index in Andorra la Vella

The UV Index reveals a dynamic pattern throughout the day, beginning with a minimal UVI of 1 at 07:00, and gradually rising as the sun ascends. By 10:00, it reaches 4, signaling a shift towards higher exposure, and by 12:00, it peaks at an impressive 8. Among the highest readings, 13:00 and 14:00 hit a scorching 10, emphasizing the need for sun protection during these hours. As the afternoon wanes, the index starts to decline, dropping to 7 by 16:00, and further declining to 5 at 17:00. As evening approaches, the UVI diminishes to 3 at 18:00, and concludes with a gentle 2 at 19:00. This pattern underscores the importance of vigilance against UV exposure as midday approaches, encouraging outdoor enthusiasts to take precautions when the sun is at its strongest.

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.
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	4	moderate	30 min
11:00	6	high	25 min
12:00	8	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	5	moderate	30 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Andorra la Vella

Throughout the year, UV levels experience significant fluctuations, with the high-risk months ranging from March to September. During these months, especially in April and May, the UV Index rises to 8 and 10, indicating very high levels that can lead to skin damage. June and July peak at an extreme UV Index of 11, necessitating extra caution. Visitors and residents are advised to take protective measures, such as using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak sun hours, particularly when the burn time drops to as little as 10 minutes. In contrast, the winter months of December and January present lower UV levels, with indices of 2 and 3, allowing for more extended safe sun exposure of up to 45 minutes. Be vigilant about UV exposure, especially as the seasons change.

Monthly Maximum UV Index for Andorra la Vella, Andorra

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Andorra la Vella. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Andorra la Vella, 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 la Vella UV Index with Other Andorra Cities

The table above highlights how UV exposure in Andorra la Vella compares to other major locations across Andorra. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Andorra la Vella's solar exposure compared to other cities in Andorra. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Andorra la Vella	3	4	6	8	10	11	11	10	8	6	4	2
la Massana UVI	3	4	6	8	10	11	11	10	8	6	4	2
Sant Julia de Loria UVI	3	4	6	8	10	11	11	10	8	6	4	2
Encamp UVI	3	4	6	8	10	11	11	10	8	6	4	2
les Escaldes UVI	3	4	6	8	10	11	11	10	8	6	4	2