UV Index in Santa Cruz da Graciosa, Portugal

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Santa Cruz da Graciosa, Portugal, as it plays a vital role in protecting your skin health and preventing sunburn. With a mild climate typical of the Csb zone, the sun can still pose significant risks, especially during peak hours when UV levels soar. From a manageable 1 in the early morning to a high of 10 around midday, awareness of these fluctuations can help you take necessary precautions, ensuring you enjoy the beautiful surroundings while keeping your skin safe from harmful ultraviolet rays. Stay informed and enjoy the sun responsibly in this stunning Azorean paradise!

Hourly UV Index in Santa Cruz da Graciosa

As the sun rises, the UV Index begins to climb steadily throughout the morning, starting at a mild 1 at 07:00 and peaking at 10 between 13:00 and 14:00. This signifies a significant risk of harm from unprotected sun exposure, urging folks to seek shade and slather on the sunscreen. Hours 10:00 and 11:00 see a sharp increase to 4 and 6, while midday brings the highest intensity at 8 and 10, marking a crucial time for sun safety. As afternoon transitions to evening, the index gradually declines, offering some relief, landing at 3 by 18:00. By nightfall, the risk wanes, falling back to 2. Remember, keeping aware of this UV trend is vital for staying safe in the sun!

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
09:002low45 min
10:004moderate30 min
11:006high25 min
12:008very high15 min
13:0010very high15 min
14:0010very high15 min
15:009very high15 min
16:008very high15 min
17:005moderate30 min
18:003moderate30 min
19:002low45 min

Monthly UV Index Trends in Santa Cruz da Graciosa

As the seasons change, so does the UV Index, which indicates the strength of ultraviolet radiation and the associated risk of harm from sun exposure. High-risk months for UV exposure typically occur from March through September, peaking in June with an extreme Index of 11 and a burn time of just 10 minutes. April and May are also notably hazardous, with very high UV ratings of 9 and 10 respectively. During these months, it is crucial for visitors and residents to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade during peak hours. Conversely, during the winter months of January, November, and December, the UV Index is moderate, allowing for longer exposure times of up to 30 minutes without immediate risk. Always stay informed and prioritize sun safety to enjoy the outdoors responsibly throughout the year.

Monthly Maximum UV Index for Santa Cruz da Graciosa, Portugal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Santa Cruz da Graciosa. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108643
Data source: Statistical UV Index data for Santa Cruz da Graciosa, 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 Santa Cruz da Graciosa UV Index with Other Portugal Cities

The table above highlights how UV exposure in Santa Cruz da Graciosa 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.
Santa Cruz da Graciosa's solar exposure compared to other cities in Portugal. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Braga UVI24689111098642
Porto UVI24689111098642
Amadora UVI356910111098643
Lisbon UVI356910111098643
Setubal UVI356910111098643
Santa Cruz da Graciosa3579101110108743