UV Index in Pereira Barreto, Brazil

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents and visitors in Pereira Barreto, Brazil. With the sun’s rays peaking between 10 AM and 2 PM, it is essential to monitor UV levels to effectively prevent sunburn and protect skin health. In this tropical climate, where the UV Index frequently reaches high levels—like 8 during midday hours—the risk of overexposure increases significantly. Being aware of these UV fluctuations can help you enjoy the sun safely while safeguarding your skin against potential damage.

Hourly UV Index in Pereira Barreto

During the day, the UV Index displays a clear progression, peaking in intensity as time goes on. At 7:00 AM, the index starts at a modest level of 1, indicating minimal risk. By 10:00 AM, it rises sharply to 5, signaling a need for sun protection. The index reaches its zenith between 12:00 PM and 1:00 PM at a notable 8, suggesting that precautions are essential during these hours to prevent skin damage. As the afternoon progresses, it begins to wane, dropping to 6 by 2:00 PM and declining further through the afternoon, reaching 0 by 6:00 PM. Such fluctuations highlight the importance of monitoring UV levels throughout the day to stay safe while enjoying the sun.

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	6	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	10	very high	15 min
14:00	8	very high	15 min
15:00	5	moderate	30 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 Pereira Barreto

The seasonal UV changes indicate that exposure levels are consistently high, particularly from January to April, where the UV Index remains in the extreme category, peaking at 16 in February and December. High-risk months include January, February, March, April, September, October, and November, as they all feature an extreme UV Index that can lead to sunburn in as little as 10 minutes. Conversely, the summer months of May, June, July, and August experience a drop to very high and high categories, with slightly longer burn times of 15 to 25 minutes. Visitors and residents should take precautions during all months, especially in extreme UV conditions, by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize the risk of skin damage.

Monthly Maximum UV Index for Pereira Barreto, Brazil

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

The table above highlights how UV exposure in Pereira Barreto 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.

Pereira Barreto'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
Pereira Barreto	15	16	13	11	8	7	8	10	12	14	14	16
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