UV Index in Alcala de Henares, Spain

Last updated: June 2, 2025

In Alcala de Henares, Spain, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels not only helps prevent painful sunburns but also plays a vital role in reducing the risk of long-term skin damage. With its Csa climate, Alcala experiences high UV exposure, particularly during midday when indices can soar to 11—a level that signals a high risk of harm from unprotected sun exposure. Knowing when to take precautions can make all the difference in enjoying the sun safely.

Hourly UV Index in Alcala de Henares

The UV Index shows a dynamic fluctuation throughout the day, starting at a mild 1 early in the morning (07:00 and 08:00) and gradually rising to a moderate 2 by 09:00. However, as the sun climbs higher, the intensity escalates dramatically, peaking at a striking 11 between 13:00 and 15:00—indicative of a high risk for harm from unprotected sun exposure. After reaching its zenith, the index gracefully tapers off, dropping to 9 by 16:00 and ultimately settling at a more manageable 2 by 19:00. It’s a day that demands attention to sun safety, particularly in the 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	11	extreme	10 min
14:00	11	extreme	10 min
15:00	11	extreme	10 min
16:00	9	very high	15 min
17:00	7	high	25 min
18:00	4	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Alcala de Henares

Throughout the year, UV Index levels show notable seasonal changes, with the highest values occurring during the summer months. High-risk months include April through August, particularly June and July, when the UV Index reaches extremes of 11, necessitating a burn time of just 10 minutes for unprotected skin. During this period, it is crucial for visitors and residents to take extra precautions, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak hours. Conversely, from November to February, the UV Index is moderate, with burn times of up to 30 minutes, allowing for more relaxed sun exposure. Nevertheless, even during these lower UV months, it's advisable to remain vigilant and protect your skin.

Monthly Maximum UV Index for Alcala de Henares, Spain

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

The table above highlights how UV exposure in Alcala de Henares 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.

Alcala de Henares'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
Alcala de Henares	3	4	6	9	10	11	11	10	8	6	4	3
Sevilla UVI	3	5	7	9	10	11	10	10	9	7	4	3