UV Index in Rello, Spain

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Rello, Spain, especially considering the region's temperate Cfb climate. With peak UV levels reaching up to 11 during midday, being aware of these values can help prevent sunburn and long-term skin health issues. As sunlight intensity varies throughout the day, staying informed about UV exposure risks not only enhances your outdoor experience but also protects your skin from harmful effects. With this guide, you'll gain valuable insights into navigating the sun safely while enjoying all that beautiful Rello has to offer.

Hourly UV Index in Rello

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 Rello

The UV Index shows significant seasonal variation, with the highest values occurring during the summer months. From March to August, the UV Index climbs from 6 in March to a peak of 11 in both June and July, indicating extreme exposure risks and a burn time as short as 10 minutes. April and May also present very high risks, with indices of 9 and 10, respectively. In contrast, the UV Index drops to moderate levels during the winter months, specifically in January, February, and November, with values ranging from 2 to 4, where burn times extend from 30 to 45 minutes. As such, it is crucial for visitors and residents to exercise extra caution during the high-risk months of April to August, by wearing sunscreen, hats, and protective clothing, and limiting outdoor activities during peak sun hours to avoid harmful solar exposure.

Monthly Maximum UV Index for Rello, Spain

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

The table above highlights how UV exposure in Rello 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.

Rello'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
Rello	3	4	6	9	10	11	11	10	8	6	4	2
Sevilla UVI	3	5	7	9	10	11	10	10	9	7	4	3