UV Index in Barro, Brazil

Last updated: August 1, 2025

In Barro, Brazil, understanding the UV Index is crucial for maintaining optimal skin health and preventing sunburn. With the region’s Aw climate, which features a tropical savanna, residents and visitors encounter significant UV exposure, particularly during midday hours. The UV levels can peak at a striking 11 around noon, underscoring the importance of protecting your skin from harmful rays. By staying informed about the UV Index, you can make smarter decisions about sun safety, ensuring a healthier and more enjoyable time under the Brazilian sun.

Hourly UV Index in Barro

At 07:00, the UV Index starts low at 1, gradually climbing to 3 by 08:00. As the sun rises higher, the intensity surges, peaking at a striking 11 by 11:00 and remaining at that level until 12:00. The afternoon sees a slight decrease, with the index slipping to 10 by 13:00 and then further to 7 at 14:00. By mid-afternoon, the UV Index does a dramatic drop to 4 at 15:00, and by 16:00, it falls back to 1. The sun begins to set, leading to a complete reduction, bringing UV levels down to 0 by 19:00. This data illustrates a typical day of high UV exposure during the midday hours, highlighting the importance of sun protection at peak times.

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	4	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 Barro

The UV Index throughout the year displays extreme levels, particularly from January through November, with values consistently between 12 and 15, indicating a high risk of harm from unprotected sun exposure. Notably, the highest UV Index occurs in March at 15, closely followed by February and April at 14. Visitors and residents should take special care during these high-risk months and consistently throughout the year, ensuring they wear appropriate sun protection, including sunscreen, hats, and UV-protective clothing. With a burn time of only 10 minutes, it is crucial to limit sun exposure, especially during midday when UV radiation is at its peak.

Monthly Maximum UV Index for Barro, Brazil

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

The table above highlights how UV exposure in Barro 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.

Barro'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
Barro	14	14	15	14	12	11	11	12	13	13	14	14