UV Index in Placido de Castro, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Plácido de Castro, Brazil, is crucial for protecting your skin and overall health from harmful ultraviolet radiation. With a tropical climate that exposes residents to heightened UV levels, particularly during the midday hours, knowing when to seek shade or apply sunscreen can prevent painful sunburns and long-term skin damage. As the UV Index peaks at an alarming 10 around noon, staying informed about daily UV levels is essential for ensuring both your enjoyment of the sun and your skin’s well-being. Embrace this knowledge to make smarter choices in your sun-soaked adventures!

Hourly UV Index in Placido de Castro

As the sun rises, the UV Index starts low at 1 at 07:00, making it a safe time for early birds. By 08:00, it climbs to 3, indicating a slight increase in UV exposure. The peak arrives sharply at 11:00 and 12:00, hitting a maximum of 10—a strong reminder to wear sunscreen and seek shade. Following this, the index gradually decreases, dipping to 6 by 14:00 and dropping further to 3 by 15:00. As the day winds down, UV levels return to a comfortable 1 by 16:00, fading to 0 by 18:00. This hourly pattern emphasizes the importance of midday protection while reminding us of the sun's dynamic presence throughout the day.

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	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	8	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 Placido de Castro

Throughout the year, the UV Index in this region remains high, particularly during the first half, with extreme levels persistently observed from January to April, peaking at 16. May sees a slight decrease to 12, followed by a very high index of 10 in June and July, before increasing again to extreme levels in August (11) and September (12). Notably, October through December return to an extreme index of 15. With such high UV exposure, particularly from January to April and again in October to December, it is crucial for both visitors and residents to take precautionary measures, such as wearing sunscreen, protective clothing, and limiting sun exposure during peak hours to mitigate the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Placido de Castro, Brazil

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

The table above highlights how UV exposure in Placido de Castro 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.

Placido de Castro'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
Placido de Castro	16	16	16	14	12	10	10	11	12	15	15	15