UV Index in Barra da Estiva, Brazil

Last updated: July 2, 2025

Awareness of the UV Index is crucial for residents and visitors in Barra da Estiva, Brazil, where the climate is classified as BSh, characterized by warm temperatures and ample sunshine. Understanding UV levels is essential for preventing sunburn and maintaining overall skin health. During peak hours, particularly between 10 AM and 2 PM, UV Index values can soar to a maximum of 10, indicating a high risk of harm from unprotected sun exposure. By staying informed about the UV index, you can better protect yourself and enjoy the beautiful outdoors while minimizing the risks associated with intense sunlight.

Hourly UV Index in Barra da Estiva

Throughout the day, the UV Index exhibits a distinct peak just before noon. Starting off at a mild 1 at 7:00 AM, it rises steadily, reaching 2 by 8:00 AM. By 9:00 AM, it jumps to 5, and then it surges to an impressive 10 at both 11:00 AM and 12:00 PM, indicating a high level of sun exposure risk. As the afternoon unfolds, the readings dip to 9 at 1:00 PM and subsequently decline further to 6 at 2:00 PM. By 3:00 PM, it drops to 3, and the day winds down with values of 1 at 4:00 and 5:00 PM, before fading to 0 by 6:00 PM and beyond. For optimal sun safety, keep to the shade as the sun peaks!

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	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	6	high	25 min
15:00	3	moderate	30 min
16:00	1	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 Barra da Estiva

The UV Index shows significant seasonal variation, with extremely high levels persisting from January to April and then again in August and October. High-risk months include January, February, March, November, and December, each registering a UV Index of 15, indicating an extreme exposure category with a burn time of just 10 minutes. Visitors and residents should take caution during these months by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen regularly. Additionally, even during the slightly lower UV Index months of June and July, with levels of 9 and 10 respectively, it remains essential to stay vigilant about sun protection due to the very high exposure category.

Monthly Maximum UV Index for Barra da Estiva, Brazil

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

The table above highlights how UV exposure in Barra da Estiva 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.

Barra da Estiva'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
Barra da Estiva	15	15	15	13	11	9	10	12	13	14	15	15