UV Index in Viana, Spain

Last updated: June 2, 2025

Understanding the UV Index in Viana, Spain, is crucial for safeguarding your skin and overall health. With UV levels peaking at 11 during the warmest hours, awareness is key to preventing sunburn and reducing the long-term risks of skin damage. The Cfb climate in Viana brings mild temperatures, but it also means higher potential UV exposure, especially in summer months. Stay informed about daily UV levels to enjoy the sun safely and protect your skin with the right precautions.

Hourly UV Index in Viana

The UV Index data reveals a striking pattern throughout the day, starting low in the early morning with a maximum of 1 at 07:00 and 08:00. As the sun climbs higher, the index surges past 2 at 09:00, reaching 4 by 10:00. Midday marks the peak, with the index soaring to an impressive 11 at 14:00—a reminder to seek shade and protect your skin. Gradually, the intensity subsides, dwindling to 9 at 16:00, then dropping to 2 by 19:00. This data underscores the importance of being UV-aware, especially during those high noon hours when the sun's rays are strongest. Stay safe and enjoy the sunshine wisely!

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	9	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 Viana

Throughout the year, the UV Index experiences significant seasonal fluctuations, with the highest levels occurring in the summer months. March marks the beginning of high UV exposure, with an index of 6, while April and May see values peak at 8 and 9, categorized as very high. The summer, particularly June with an extreme index of 11, poses the greatest risk for skin damage, reducing safe exposure time to just 10 minutes. Following the summer, July and August maintain high levels of 10 and 9, before tapering off through September and October. November and December provide some relief, with indices returning to moderate and low levels of 3 and 2, respectively, allowing for 30 to 45 minutes of safe exposure. Therefore, visitors and residents are strongly advised to take extra precautions, such as wearing sunscreen and protective clothing, during the high-risk months of March through October, especially from June to August when the threat of sunburn is at its peak.

Monthly Maximum UV Index for Viana, Spain

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

The table above highlights how UV exposure in Viana 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.

Viana'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
Viana	3	4	6	8	9	11	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