UV Index in Osvaldo Cruz, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for the residents of Osvaldo Cruz, Brazil, as it provides vital information about the sun's intensity and the potential risks to skin health. Being aware of UV levels can help you effectively prevent sunburn and reduce long-term skin damage caused by overexposure to harmful rays. With its tropical climate, Osvaldo Cruz experiences varying UV exposure, peaking around midday when the index reaches levels of 6 to 7, indicating a higher risk for sunburn. Stay informed and take proactive measures to protect yourself and your loved ones from the sun's harmful effects!

Hourly UV Index in Osvaldo Cruz

The UV Index highlights a dynamic shift in sun exposure throughout the day. Starting off at a modest level of 1 at 07:00 and 08:00, the intensity gradually increases, peaking at 7 from 12:00 to 13:00, indicating high risk for harm from unprotected sun exposure. As the afternoon progresses, the index dips to 5 at 14:00 before gracefully descending to 3 by 15:00. The day winds down with the UV Index returning to its initial levels at 1 by 17:00, and then falling to 0 after 18:00, marking a safe end to sun exposure. It's a clear reminder to plan sun protection strategies, especially during the peak hours when the index reaches its zenith!

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	1	low	45 min
09:00	2	low	45 min
10:00	4	moderate	30 min
11:00	6	high	25 min
12:00	7	high	25 min
13:00	7	high	25 min
14:00	5	moderate	30 min
15:00	3	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 Osvaldo Cruz

Throughout the year, UV Index levels exhibit significant seasonal changes, with extreme values predominantly observed from January to April and a resurgence in September to November. The highest risk months are January, February, and December, where the UV Index peaks at 15-16, indicating an extreme exposure category and a minimal burn time of just 10 minutes. As summer approaches, while the UV Index decreases to a peak of 10 in August, visitors and residents should remain vigilant, particularly in the months of March and April where the index remains high at 11-13. It is essential for everyone to adopt sun safety measures, including using broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours, especially during these high-risk months.

Monthly Maximum UV Index for Osvaldo Cruz, Brazil

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

The table above highlights how UV exposure in Osvaldo Cruz 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.

Osvaldo Cruz'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
Osvaldo Cruz	15	15	13	11	8	7	8	10	12	14	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