UV Index in Valenca, Portugal

Last updated: August 1, 2025

In Valença, Portugal, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn, especially during the sunny months when exposure levels can spike dramatically. Understanding UV levels helps residents and visitors alike take proactive measures, ensuring that outdoor activities remain safe and enjoyable. With a Csb climate characterized by mild summers, Valença sees significant UV exposure, particularly between late morning and mid-afternoon when the index reaches its peak at 9. Stay informed and protect your skin by checking the UV Index regularly, so you can bask in the beauty of Valença without worry.

Hourly UV Index in Valenca

This day's UV Index reveals a steady rise in sunlight intensity as the clock ticks towards midday. Starting from a low of 0 at 7:00 AM, the index gradually climbs to 1 by 8:00 AM, before reaching a notable 3 by 10:00 AM. The real surge occurs around noon, peaking at a striking 9 between 2:00 PM and 3:00 PM, signaling the highest risk for skin exposure. As the sun begins its descent, the UV Index gently retreats to 4 by 6:00 PM, before settling at a 3 as evening approaches. For outdoor enthusiasts, it's crucial to protect your skin during the peak hours of 12:00 PM to 3:00 PM when UV radiation is at its most potent!

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.
TimeUVICategoryTime to Burn
07:000low45 min
08:001low45 min
09:001low45 min
10:002low45 min
11:004moderate30 min
12:006high25 min
13:008very high15 min
14:009very high15 min
15:009very high15 min
16:008very high15 min
17:006high25 min
18:004moderate30 min
19:002low45 min

Monthly UV Index Trends in Valenca

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 Valenca, Portugal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Valenca. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
Data source: Statistical UV Index data for Valenca, 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 Valenca UV Index with Other Portugal Cities

The table above highlights how UV exposure in Valenca 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.
Valenca's solar exposure compared to other cities in Portugal. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Valenca2468910997632
Braga UVI24689111098642
Porto UVI24689111098642
Amadora UVI356910111098643
Lisbon UVI356910111098643
Setubal UVI356910111098643