UV Index in Barcelos, Brazil

Last updated: July 2, 2025

In Barcelos, Brazil, understanding the UV Index is crucial for protecting your skin from harmful ultraviolet radiation. With the region's tropical climate, residents and visitors alike face varying levels of sun exposure throughout the day, making awareness of UV levels essential for preventing sunburn and maintaining skin health. Typically, midday UV Index values can soar as high as 11, indicating an extreme risk of harm from unprotected sun exposure. Armed with this knowledge, you can enjoy Barcelos' beautiful weather while safeguarding your skin from potential damage.

Hourly UV Index in Barcelos

The UV Index for the day presents a clear picture of sun intensity, starting off gentle in the early hours. At 7:00 AM, it begins at a mild 1, increasing to 2 by 8:00 AM. As the sun rises higher, the index climbs rapidly; by 10:00 AM, it reaches 7 and peaks at an intense 11 around 12:00 PM and 1:00 PM. After this zenith, the levels gradually decline, dropping to 9 by 2:00 PM, 6 at 3:00 PM, and settling back to a safe 1 by 5:00 PM. The UV exposure diminishes further, reaching a low of 0 by 7:00 PM. 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	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	11	extreme	10 min
14:00	9	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Barcelos

Throughout the year, UV Index values in this region consistently remain high to extreme, with no significant drops in burn time, which remains at a mere 10 minutes across all months. The peak risk months fall between January and April, where the UV Index reaches its maximum at 16, signaling extreme exposure and a high potential for skin damage. As the year progresses, UV levels gradually decrease, but remain notably high through May to August with values between 11 and 14. Visitors and residents are strongly advised to take precautionary measures during these months, including wearing protective clothing, applying sunscreen frequently, and seeking shade to minimize risk during outdoor activities. Always be vigilant and prioritize skin safety when spending time in the sun, regardless of the month.

Monthly Maximum UV Index for Barcelos, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Barcelos. 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 Barcelos, 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 Barcelos UV Index with Other Brazil Cities

The table above highlights how UV exposure in Barcelos compares to other major locations across Brazil. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Barcelos's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Rio de Janeiro UVI	15	14	13	10	7	6	7	9	11	12	13	15
Sao Paulo UVI	16	15	12	11	8	6	7	9	11	13	14	15
Belo Horizonte UVI	17	16	14	12	9	7	8	10	12	13	14	16
Salvador UVI	14	14	14	13	10	9	9	12	12	15	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Barcelos	14	16	16	16	14	12	11	12	13	14	13	13