UV Index in Santo Antonio, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Santo Antonio, Brazil, where the tropical climate brings about unique exposure risks. With maximum UV levels peaking between 10:00 AM and 2:00 PM, awareness of these fluctuating levels helps prevent sunburn and protects skin health. By checking the UV Index regularly, you can take proactive measures to enjoy the sun safely and minimize the long-term risk of skin damage. Stay informed and enjoy the vibrant atmosphere of Santo Antonio while keeping your skin safe!

Hourly UV Index in Santo Antonio

As the sun rises, the UV Index begins to climb, starting at a modest 2 at 7:00 AM. By 9:00 AM, it surges to 7, signaling that it’s time to think about protection. The peak intensity arrives at 11:00 AM and 12:00 PM, with a soaring UV Index of 11, highlighting a significant risk for unprotected skin. As the afternoon unfolds, the values begin to decline, dropping to 9 at 1:00 PM and gradually diminishing to 5 by 2:00 PM. By 3:00 PM, only 3 is left, before tapering to 1 at 4:00 PM and remaining low for the evening, ultimately reaching 0 by 6:00 PM. This data paints a clear picture: in the battle against UV exposure, midday vigilance is crucial!

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

Throughout the year, the UV Index remains consistently high, peaking at 15 in March. The highest risk months for UV exposure are from January to April and November to December, where the UV Index consistently ranges from 14 to 15, indicating an extreme exposure category with a burn time of only 10 minutes. It's essential for both visitors and residents to take precautionary measures during these months, such as wearing sunscreen, protective clothing, and seeking shade during peak sunlight hours. Even during the summer months, with UV levels at 11 to 13, vigilance against skin damage is crucial. Regular monitoring of the UV Index and proper sun safety practices can help mitigate health risks associated with high UV exposure.

Monthly Maximum UV Index for Santo Antonio, Brazil

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

The table above highlights how UV exposure in Santo Antonio 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.

Santo Antonio'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
Santo Antonio	14	14	15	14	13	11	11	12	13	13	14	14