UV Index in Ourinhos, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Ourinhos, Brazil, as it provides vital information about the strength of ultraviolet radiation from the sun. With UV levels peaking at 8 around midday, awareness is key to preventing sunburn and protecting skin health, especially for those spending time outdoors. Ourinhos enjoys a Cfa climate, characterized by warm summers and mild winters, making proper UV management essential year-round. By learning to read and respond to UV Index ratings, you can enjoy the sunshine while keeping your skin safe and healthy!

Hourly UV Index in Ourinhos

At sunrise, the UV Index begins at a gentle 1 at 07:00, rising gradually as the sun climbs higher. By 09:00, it reaches 3, indicating a moderate level of UV radiation. The heat of the day peaks at 12:00 with a high of 8, suggesting it’s time to seek shade or apply sunscreen. As the afternoon progresses, the index slightly drops to 7 at 13:00 and continues to decline, settling at 3 by 15:00. As the sun starts to set, the risk diminishing to 1 at 17:00 and finally dropping to 0 by 18:00, signaling a safer time for outdoor activities as the day winds down. Be mindful of the midday sun to protect your skin!

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	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	6	high	25 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 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