UV Index in Castiello de Jaca, Spain

Last updated: July 2, 2025

In Castiello de Jaca, Spain, being aware of the UV Index is crucial for protecting your skin from harmful sun exposure. Understanding UV levels can help you prevent sunburn and promote long-term skin health, especially during the sunny months. With a Cfb climate that enjoys a mix of sunny days and cooler temperatures, residents and visitors alike should be mindful of the UV risks. Notably, between 12 PM and 2 PM, the UV Index peaks at a striking 11, indicating an extreme risk of harm from unprotected sun exposure. Stay informed and enjoy your time outdoors safely!

Hourly UV Index in Castiello de Jaca

As the sun rises, the UV Index starts off mild, peaking at 1 by 8:00 AM. However, things heat up quickly! By 10:00 AM, it surges to 4, reaching 6 at 11:00 AM. The afternoon sun really cranks it up, hitting a maximum of 11 at 2:00 PM, making this the moment when protective measures should be a priority. As we approach late afternoon, the index begins to drop, settling at 6 by 5:00 PM and tapering off to 2 by 7:00 PM. Remember to stay sun-safe during those peak hours!

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	9	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 Castiello de Jaca

Throughout the year, UV Index levels fluctuate significantly, creating varying exposure risks for individuals. The high-risk months for UV exposure are April through August, with the highest readings occurring in June and July, where the UV Index reaches a peak of 11, classified as extreme. During these months, the recommended burn time drops to just 10 minutes. As such, it is crucial for both visitors and residents to adopt protective measures, including wearing sunscreen, protective clothing, and limiting sun exposure during peak hours. March marks the transition to higher UV levels, with an index of 6, while September and October drop back to high and moderate levels, respectively. Ultimately, staying informed about UV levels can help safeguard health year-round.

Monthly Maximum UV Index for Castiello de Jaca, Spain

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

The table above highlights how UV exposure in Castiello de Jaca 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.

Castiello de Jaca'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
Castiello de Jaca	3	4	6	8	9	11	11	9	8	6	3	2
Madrid UVI	3	4	6	8	10	11	11	9	8	6	4	3
Sevilla UVI	3	5	7	9	10	11	10	10	9	7	4	3