UV Index in Valenza, Portugal

Last updated: May 3, 2025

In Valenza, Portugal, being aware of the UV Index is crucial for safeguarding your skin against harmful ultraviolet rays. Understanding UV levels not only helps in preventing painful sunburns but also promotes long-term skin health by reducing the risk of skin cancers. With Valenza's Csb climate characterized by pleasant summers, residents and visitors should remain vigilant, especially during peak hours when UV exposure can reach a maximum of 9 around midday. Stay informed and protect yourself to fully enjoy the sun-drenched days in this beautiful region!

Hourly UV Index in Valenza

The UV Index starts off the day peacefully low, with a maximum reading of 0 at 7:00 AM. As the sun rises, it gradually increases, reaching 1 at 8:00 AM and holding steady until 10:00 AM, where it jumps to 3. The heat of noon sees the index soar to a peak of 9 between 14:00 and 15:00, signaling high risk for sun exposure. After this climax, the UV levels begin to taper off, dropping back to 6 at 17:00, and continuing down to 2 by 19:00. This pattern showcases the importance of protecting your skin during the sunniest hours of the day!

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	0	low	45 min
08:00	1	low	45 min
09:00	1	low	45 min
10:00	3	moderate	30 min
11:00	4	moderate	30 min
12:00	6	high	25 min
13:00	8	very high	15 min
14:00	9	very high	15 min
15:00	9	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 Valenza

The UV Index experiences significant seasonal fluctuations, with the highest levels typically occurring from April to August. During this peak period, the UV Index reaches very high levels, particularly in June with a maximum of 10, indicating a burn time of only 15 minutes. March marks the transition to higher risk, classified as high, with a UV Index of 6 and a burn time of 25 minutes. Conversely, the winter months of January and December show a low UV Index of 2, allowing for extended exposure of up to 45 minutes without risk of burns. Given this data, it is crucial for visitors and residents to take extra precautions during April to August by wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Valenza, Portugal

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

The table above highlights how UV exposure in Valenza compares to other major locations across Portugal. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Valenza's solar exposure compared to other cities in Portugal. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Valenza	2	4	6	8	9	10	9	9	7	6	3	2
Braga UVI	2	4	6	8	9	11	10	9	8	6	4	2
Porto UVI	2	4	6	8	9	11	10	9	8	6	4	2
Amadora UVI	3	5	6	9	10	11	10	9	8	6	4	3
Lisbon UVI	3	5	6	9	10	11	10	9	8	6	4	3
Setubal UVI	3	5	6	9	10	11	10	9	8	6	4	3