UV Index in Pederneiras, Brazil

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Pederneiras, Brazil, as it serves as a vital indicator of sun exposure and potential risks to skin health. With the region's tropical climate, the UV levels can reach significant highs, particularly around midday, when they peak at 7, highlighting the risk of sunburn and long-term skin damage if proper precautions aren't taken. By staying informed about UV levels, you can safeguard yourself against harmful effects and ensure a healthier outdoor experience in this vibrant city, where sun safety is more than just a summer concern—it's a year-round necessity.

Hourly UV Index in Pederneiras

At dawn, the UV Index starts off low, peaking at 1 by 08:00. As the day progresses, it climbs steadily, reaching 5 by 10:00 and hitting a maximum of 7 between 12:00 and 13:00—a time when sun protection is paramount. After this sizzling peak, the index dips gradually, falling to 3 by 15:00, and then to 2 at 16:00. As the sun sets, the UV exposure diminishes, dropping to 0 by 18:00, indicating a safe time for evening activities without the risk of harmful UV rays. Remember to take precautions 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	6	high	25 min
11:00	9	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	7	high	25 min
15:00	5	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	0	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Pederneiras

Throughout the year, the UV Index exhibits significant seasonal variations, with January, February, March, April, September, October, November, and December classified as high-risk months due to their extreme exposure categories and a rapid burn time of only 10 minutes. The UV Index peaks in February at 16, indicating the strongest risk, while May and August present very high exposure conditions. As the summer months approach, the risk lessens slightly, with June and July showing high levels, allowing for a more generous 25-minute burn time. Visitors and residents are advised to take precautions during high and extreme UV Index months, such as wearing protective clothing, using broad-spectrum sunscreen, and seeking shade to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Pederneiras, Brazil

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

The table above highlights how UV exposure in Pederneiras 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.

Pederneiras'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
Pederneiras	15	16	12	11	8	6	7	10	12	13	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