UV Index in Sanfins, Portugal

Last updated: July 2, 2025

In Sanfins, Portugal, being aware of the UV Index is crucial for protecting your skin against harmful ultraviolet radiation. Understanding UV levels can significantly reduce your risk of sunburn and long-term skin health issues, making it essential for locals and visitors alike to stay informed. With a Csb climate characterized by warm summers, Sanfins experiences varying UV exposure throughout the day, peaking around midday with values reaching as high as 10. By keeping an eye on the UV Index, you can take proactive steps to enjoy the sun safely and maintain your skin's health year-round.

Hourly UV Index in Sanfins

The UV Index peaks dramatically as the day unfolds, starting from a mild 1 at 7:00 AM and rising steadily. By 10:00 AM, it reaches 5, indicating more significant exposure risk, but it's not until 11:00 AM that it surges to 7—the sun is truly shining bright! The intensity escalates to a maximum of 10 at both 1:00 PM and 2:00 PM, marking the hours when sun protection is most crucial. As the afternoon wanes, it gradually dips, settling at 4 by 5:00 PM and returning to a safer 1 by 7:00 PM. It's essential to stay mindful of this UV trend, especially during peak hours, to protect your skin 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
12:008very high15 min
13:0010very high15 min
14:0010very high15 min
15:008very high15 min
16:007high25 min
17:004moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Sanfins

As the seasons change, so do the UV levels, which significantly impact skin safety for both visitors and residents. The UV Index starts low in January (2) and December (2), indicating a low risk for sunburn. However, as we move into the spring and summer months, particularly from March (6) to August (9), the risk escalates, with April (8) and the peak in June (11) classified as extreme. The high-risk months are primarily from April through August, where burn times are notably short, especially in June, with only 10 minutes until skin damage occurs. It is crucial for individuals during these months to take necessary precautions, such as wearing sunscreen, protective clothing, and limiting sun exposure, especially during peak hours. As fall approaches, the UV Index gradually decreases, but awareness remains essential for safe outdoor activities.

Monthly Maximum UV Index for Sanfins, Portugal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sanfins. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec24689111097642
Data source: Statistical UV Index data for Sanfins, 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 Sanfins UV Index with Other Portugal Cities

The table above highlights how UV exposure in Sanfins 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.
Sanfins's solar exposure compared to other cities in Portugal. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Braga UVI24689111098642
Sanfins24689111098642
Porto UVI24689111098642
Amadora UVI356910111098643
Lisbon UVI356910111098643
Setubal UVI356910111098643