UV Index in Peso da Regua, Portugal

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Peso da Régua, Portugal, where the Mediterranean climate can bring intense sun exposure. With UV levels soaring as high as 10 during the midday hours, knowing how to protect your skin is essential for preventing sunburn and promoting overall skin health. As you enjoy the scenic beauty of the Douro Valley, remember that awareness of UV Index levels will help you stay safe while basking in the sun’s warmth, especially during the peak hours between 11 AM and 2 PM when the risk is the highest. Stay informed and enjoy the sun responsibly!

Hourly UV Index in Peso da Regua

The UV Index for the day showcases a striking ascent in intensity, peaking during the afternoon hours. Starting from a low of 1 at 07:00 and 08:00, the index swiftly climbs to reach 3 by 09:00. By 10:00, it escalates to a moderate 5, but the real surge occurs between 11:00 and 14:00, hitting a maximum of 10—indicating a high risk of harm from unprotected sun exposure. As the day progresses, the UV Index gradually drops, retracting to 4 by 17:00 and further declining to 1 by 19:00. It's crucial to stay protected during those peak hours!

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	3	moderate	30 min
10:00	5	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	3	moderate	30 min
19:00	1	low	45 min

Monthly UV Index Trends in Peso da Regua

The UV Index shows significant seasonal variation, with highest levels occurring during the summer months. From April to August, UV Index values reach their peak, particularly in June with an extreme index of 11, making it crucial for individuals to take precautions during these high-risk months. In comparison, winter months like January and December exhibit lower UV exposure, classified as moderate to low, where burn time can extend up to 45 minutes. Visitors and residents alike should be vigilant during March (UV 6) and the late spring to summer months, ensuring protection through sunscreen, clothing, and seeking shade, especially during peak hours when burn times decrease significantly.

Monthly Maximum UV Index for Peso da Regua, Portugal

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Peso da Regua. 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 Peso da Regua, 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 Peso da Regua UV Index with Other Portugal Cities

The table above highlights how UV exposure in Peso da Regua 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.

Peso da Regua'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
Peso da Regua	3	4	6	9	10	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