UV Index in Ourinhos, Brazil

Last updated: June 2, 2025

In Ourinhos, Brazil, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels helps you prevent sunburn and reduce long-term risks like skin cancer. Situated in a Cfa climate zone, Ourinhos experiences significant sun exposure throughout the day, particularly between 10 AM and 2 PM when the UV Index peaks at 6. This highlights the importance of taking protective measures during these hours, ensuring that you can enjoy the vibrant sun while keeping your skin healthy and protected.

Hourly UV Index in Ourinhos

The UV Index for the day shows a notable increase in solar intensity as the morning unfolds. Starting at a mild 1 between 07:00 and 09:00, the index rises sharply, peaking at 6 from 11:00 to 13:00. This is a clear indication that midday sun demands caution, with later hours dropping to 5 at 14:00 and gradually decreasing toward evening. By 18:00 and 19:00, the UV Index dips to 0, signaling a safe time to be outdoors without sun protection. Overall, this day encourages sun safety practices during those peak hours when the UV rays are most potent.

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	6	high	25 min
13:00	6	high	25 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 Ourinhos

The UV Index shows significant seasonal fluctuations, with the highest levels occurring from August to December, peaking in January and December at an extreme index of 16. Notably, the high-risk months include January, February, March, April, September, October, and November, all categorized as extreme, requiring just 10 minutes of sun exposure to risk skin burns. Conversely, June and July are classified as high with slightly lower indices of 6 to 7, allowing for 25 minutes of safe sun exposure. Visitors and residents are advised to take precautionary measures during these high UV months, such as wearing protective clothing, utilizing sunscreen, and avoiding direct sunlight during peak hours to minimize skin damage and health risks.

Monthly Maximum UV Index for Ourinhos, Brazil

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

The table above highlights how UV exposure in Ourinhos 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.

Ourinhos'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
Ourinhos	15	15	13	11	8	6	7	10	12	13	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