UV Index in Castellar del Riu, Spain

Last updated: July 2, 2025

Understanding the UV Index in Castellar del Riu, Spain, is crucial for safeguarding your skin from harmful UV rays throughout the day. With maximum UV levels peaking at 10 during midday, this charming location's climate—classified as Cfb—brings both mild temperatures and elevated sun exposure risks. By being aware of UV levels, residents and visitors alike can effectively prevent sunburn and prioritize skin health, ensuring their time outdoors remains enjoyable and safe. Don't underestimate the power of the sun; knowing the UV Index is your first step towards protecting yourself while soaking up the Spanish scenery!

Hourly UV Index in Castellar del Riu

The UV Index data reveals a dynamic sun exposure pattern throughout the day. Starting with a low index of 1 in the early hours (07:00 and 08:00), sun sensitivity increases as the day progresses. By 09:00, the index rises to 2, marking the beginning of heightened UV intensity. The peak occurs between 12:00 and 14:00, where it hits a high of 10, indicating a strong need for sun protection. As the afternoon wanes, the levels gradually decline, sliding to 8 at 16:00 and further down to 3 by 18:00. By 19:00, the exposure reduces to 2, suggesting a safe transition as daylight fades. Remember, when the UV Index is 6 or higher, it’s essential to take protective measures!

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	10	very high	15 min
16:00	8	very high	15 min
17:00	6	high	25 min
18:00	3	moderate	30 min
19:00	2	low	45 min

Monthly UV Index Trends in Castellar del Riu

Throughout the year, UV exposure varies significantly, with notable peaks between March and October. The high-risk months are April to August, where the UV Index consistently reaches very high levels of 8 to 10 and the burn time reduces to just 15 minutes. In contrast, the low-risk months of November and December see UV Index values fall to 3 and 2, respectively, allowing for safe exposure times of up to 30 and 45 minutes. Residents and visitors are advised to take extra precautions during the high-risk months by seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the increased risk of sunburn and skin damage.

Monthly Maximum UV Index for Castellar del Riu, Spain

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

The table above highlights how UV exposure in Castellar del Riu 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.

Castellar del Riu'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
Castellar del Riu	3	4	6	8	9	10	10	9	8	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
Sevilla UVI	3	5	7	9	10	11	10	10	9	7	4	3