UV Index in Barcarena, Brazil

Last updated: May 3, 2025

Understanding the UV Index in Barcarena, Brazil is crucial for protecting your skin and overall health. This insightful measure informs residents and visitors alike about the intensity of ultraviolet radiation from the sun, helping to prevent sunburn and reduce long-term skin damage. In Barcarena's tropical climate, where UV levels can soar, especially between 10 AM and 2 PM, awareness of these fluctuations is vital. With peak UV Index values reaching as high as 13 around noon, being informed empowers you to take necessary precautions, ensuring safe and enjoyable outdoor activities under the Brazilian sun.

Hourly UV Index in Barcarena

The UV Index throughout the day exhibits a striking pattern, starting off at a mild level of 1 at 07:00, gradually increasing to 2 by 08:00. As the sun climbs higher, the index surges to 5 at 09:00, and then hits a peak of 13 at 12:00. The sun is its strongest around 11:00 and 12:00, with values of 12 and 13 respectively, indicating a high risk of harm from unprotected sun exposure. After this zenith, the index starts to taper off, dropping to 10 at 14:00, and further declining to 6 by 15:00. The afternoon brings relief, with levels dropping to 3 at 16:00 and settling at 1 by the evening hours after 17:00, culminating in a UV Index of 0 by 19:00. This clear trend underscores the importance of sun safety during the peak hours of the day.

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	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	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 Barcarena

The UV Index remains consistently extreme throughout the year, with January through March showing particularly high values, peaking at 16 in March. The high-risk months for UV exposure are from January to April, where the index reaches 14 to 16, indicating a very short burn time of just 10 minutes. Even during the summer months from June to August, while the index drops slightly to 11-12, the risk remains significant. It is crucial for both residents and visitors to take appropriate precautions, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during these high UV periods to minimize the risk of skin damage.

Monthly Maximum UV Index for Barcarena, Brazil

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

The table above highlights how UV exposure in Barcarena 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.

Barcarena'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
Barcarena	14	14	16	15	13	11	11	12	13	13	13	13