UV Index in Sao Roque, Portugal

Last updated: May 3, 2025

Understanding the UV Index in Sao Roque, Portugal, is crucial for protecting your skin and maintaining overall health. With the highest levels typically peaking between 12 PM and 3 PM, knowing these UV levels can help you prevent sunburn and long-term skin damage. Positioned in a Mediterranean climate, Sao Roque experiences ample sunshine, which brings a heightened risk of UV exposure, especially during summer months. By staying informed about the UV Index, you can take proactive measures, ensuring enjoyable time outdoors while safeguarding your skin health.

Hourly UV Index in Sao Roque

The UV Index (UVI) follows a distinct pattern throughout the day, starting from a low of 1 at 07:00 and 08:00. As the sun rises higher, the intensity increases, reaching 2 by 09:00. The real surge occurs between 10:00 and 13:00, where it climbs sharply to its peak of 10 at 13:00 and 14:00, indicating extremely high levels of UV radiation. As the afternoon wanes, the index gradually decreases, dropping to 4 by 17:00, then settling back to a comfortable 1 by 19:00. For those enjoying outdoor activities, it’s crucial to take precautions between 11:00 and 15:00 when the UVI is at its highest.

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.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	7	high	25 min
12:00	9	very high	15 min
13:00	10	very high	15 min
14:00	10	very high	15 min
15:00	9	very high	15 min
16:00	7	high	25 min
17:00	4	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Sao Roque

As the seasons change, so do the UV index levels, with highest risks typically occurring from April to September. During these months, especially in June when the UV index reaches an extreme level of 11, the burn time is as short as 10 minutes. Visitors and residents should be particularly vigilant during this period, taking necessary precautions such as applying sunscreen with a high SPF, wearing protective clothing, and limiting sun exposure during peak hours. Conversely, during the winter months from January to March, the UV levels are substantially lower, categorized as moderate to high, allowing for safer outdoor activities with burn times ranging from 25 to 30 minutes. It’s crucial to remain aware of these seasonal changes to protect skin health throughout the year.

Monthly Maximum UV Index for Sao Roque, Portugal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Sao Roque. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Sao Roque, 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 Sao Roque UV Index with Other Portugal Cities

The table above highlights how UV exposure in Sao Roque 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.

Sao Roque's solar exposure compared to other cities in Portugal. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Braga UVI	2	4	6	8	9	11	10	9	8	6	4	2
Porto UVI	2	4	6	8	9	11	10	9	8	6	4	2
Amadora UVI	3	5	6	9	10	11	10	9	8	6	4	3
Lisbon UVI	3	5	6	9	10	11	10	9	8	6	4	3
Setubal UVI	3	5	6	9	10	11	10	9	8	6	4	3
Sao Roque	3	5	7	9	10	11	10	10	9	7	4	3