UV Index in La Union, Spain

Last updated: July 2, 2025

Understanding the UV Index in La Union, Spain is essential for safeguarding your skin health. With UV exposure peaking during the midday hours—reaching a high of 11 around 2 PM—awareness of these levels is crucial for preventing sunburn and long-term skin damage. The region’s BSk climate ensures plenty of sunny days, heightening the risks associated with unprotected sun exposure. By staying informed about the UV Index, you can enjoy the outdoors while effectively protecting yourself and your loved ones from harmful ultraviolet rays.

Hourly UV Index in La Union

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.
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	11	extreme	10 min
15:00	10	very high	15 min
16:00	8	very high	15 min
17:00	6	high	25 min
18:00	4	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in La Union

Throughout the year, UV levels change significantly, influencing sun exposure safety for visitors and residents. High-risk months occur from April to August, with particularly intense UV Index levels peaking at 11 in June and July, categorized as extreme. During these months, the recommended burn time drops to just 10 minutes, underscoring the need for vigilant sun protection. In contrast, the UV Index remains at more moderate levels (3 to 5) during the winter months of January, February, and December, allowing for longer exposure times of up to 30 minutes without burning. To ensure safety, it is advisable for everyone to be mindful of UV levels, especially during high-risk months, by wearing sunblock, protective clothing, and seeking shade whenever possible.

Monthly Maximum UV Index for La Union, Spain

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in La Union. 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 La Union, 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 La Union UV Index with Other Spain Cities

The table above highlights how UV exposure in La Union 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.

La Union's solar exposure compared to other cities in Spain. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Barcelona UVI	3	4	5	7	8	10	10	9	7	6	3	2
Zaragoza UVI	3	4	6	8	9	11	11	9	8	6	3	2
Valencia UVI	3	4	6	8	9	11	10	9	8	6	4	3
Madrid UVI	3	4	6	8	10	11	11	9	8	6	4	3
La Union	3	5	6	8	10	11	11	9	8	7	4	3
Sevilla UVI	3	5	7	9	10	11	10	10	9	7	4	3