UV Index in Aldeia de Joanes, Portugal

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Aldeia de Joanes, Portugal, where the climate offers beautifully warm summers but also brings potential health risks associated with sun exposure. With UV levels reaching a peak of 10 from 1 PM to 2 PM, awareness of these indicators plays a vital role in preventing sunburn and protecting skin health. Given the region's Csb climate, which features a mix of Mediterranean and oceanic influences, it is essential to stay informed about daily UV fluctuations to enjoy the outdoors safely while minimizing the risk of harmful effects from intense sunlight.

Hourly UV Index in Aldeia de Joanes

The UV Index is a dynamic measure of solar intensity throughout the day, peaking dramatically at 12:00 PM with a notable 9, reaching its zenith at 1:00 PM and 2:00 PM with a maximum value of 10. During this period, it's essential to protect your skin from harmful UV rays. Early morning hours remain quite low, peaking at just 1 by 08:00 AM, while by 10:00 AM the index climbs to 5. As the sun continues to rise, it climbs swiftly to 7 by 11:00 AM, making midday the crucial time for sunscreen and shade. As the afternoon wanes, the UV Index gradually decreases, falling back to 5 by 5:00 PM, and finally settling at 1 by 7:00 PM, signaling a safe return to outdoor activities. Stay vigilant and enjoy the sunshine safely!

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
07:001low45 min
08:001low45 min
09:003moderate30 min
10:005moderate30 min
11:007high25 min
12:009very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Aldeia de Joanes

Throughout the year, the UV Index experiences significant fluctuations, highlighting the importance of sun safety for both visitors and residents. High-risk months for skin exposure occur from April to September, with May and June reaching the highest levels at a UV Index of 10 and 11, categorized as very high and extreme, respectively, where burn times can be as short as 10 minutes. As the warmer months approach, individuals should take necessary precautions, such as wearing protective clothing, using sunscreen, and seeking shade during peak hours. As winter arrives in December and January, the UV Index decreases to 3 and 4, indicating a moderate risk, but protection remains essential to prevent skin damage. By being mindful of these seasonal UV changes, everyone can enjoy outdoor activities safely throughout the year.

Monthly Maximum UV Index for Aldeia de Joanes, Portugal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Aldeia de Joanes. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Statistical UV Index data for Aldeia de Joanes, 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 Aldeia de Joanes UV Index with Other Portugal Cities

The table above highlights how UV exposure in Aldeia de Joanes 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.
Aldeia de Joanes's solar exposure compared to other cities in Portugal. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Braga UVI24689111098642
Porto UVI24689111098642
Aldeia de Joanes346910111098643
Amadora UVI356910111098643
Lisbon UVI356910111098643
Setubal UVI356910111098643