UV Index in Celorico de Basto, Portugal

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors of Celorico de Basto, Portugal, especially considering its Mediterranean climate and the peaks of UV exposure throughout the day. With values ranging from 1 in the early morning to highs of 11 during the afternoon, awareness of UV levels can significantly impact your skin health and help prevent sunburn. By keeping an eye on the UV Index, you can enjoy the beautiful sunny days while taking the necessary precautions to protect your skin from harmful rays. Stay informed and stay safe under the Portuguese sun!

Hourly UV Index in Celorico de Basto

The UV Index throughout the day reveals a notable trend, starting at a calm 1 at 7:00 AM and gradually climbing to its peak of 11 during the peak afternoon hours of 1:00 PM and 2:00 PM. As the sun climbs higher in the sky, the intensity of ultraviolet radiation increases, reaching a sharp rise to 10 by noon, signaling caution for outdoor activities. After the early afternoon, the index begins to decline, drifting down to 5 by 5:00 PM and tapering off to a gentle 1 by 7:00 PM. This data highlights the importance of sun safety, particularly during the mid-day hours when UV exposure is at its strongest. Remember to wear protective clothing and sunscreen when the UV Index rises!

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
08:002low45 min
09:003moderate30 min
10:005moderate30 min
11:008very high15 min
12:0010very high15 min
13:0011extreme10 min
14:0011extreme10 min
15:009very high15 min
16:007high25 min
17:005moderate30 min
18:003moderate30 min
19:001low45 min

Monthly UV Index Trends in Celorico de Basto

The UV Index shows significant seasonal changes, with high-risk months occurring from April to September. During this period, the UV Index reaches extreme levels in June (11) and very high levels in April, May, July, August, and September (ranging from 9 to 10), resulting in burn times as short as 10 to 15 minutes. Conversely, the winter months of January and December experience low levels (UV Index 2) with longer burn times of 45 minutes. To protect yourself during peak UV months, it is essential for visitors and residents alike to limit sun exposure during the hours of highest intensity, wear protective clothing, and apply broad-spectrum sunscreen regularly to minimize the risk of sunburn and skin damage.

Monthly Maximum UV Index for Celorico de Basto, Portugal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Celorico de Basto. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098642
Data source: Statistical UV Index data for Celorico de Basto, 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 Celorico de Basto UV Index with Other Portugal Cities

The table above highlights how UV exposure in Celorico de Basto 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.
Celorico de Basto's solar exposure compared to other cities in Portugal. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Braga UVI24689111098642
Porto UVI24689111098642
Celorico de Basto24699111098642
Amadora UVI356910111098643
Lisbon UVI356910111098643
Setubal UVI356910111098643