UV Index in Baiao, Brazil

Last updated: May 3, 2025

In Baiao, Brazil, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin damage, making it essential for locals and visitors alike. With a tropical climate that boasts plenty of sunshine, Baiao experiences varying UV exposure throughout the day, peaking at a high of 13 around noon. This knowledge empowers you to take necessary precautions, ensuring you enjoy the beautiful weather while keeping your skin protected from the sun’s harmful rays.

Hourly UV Index in Baiao

The UV Index throughout the day exhibits a striking pattern, starting off at a mild level of 1 at 07:00, gradually increasing to 2 by 08:00. As the sun climbs higher, the index surges to 5 at 09:00, and then hits a peak of 13 at 12:00. The sun is its strongest around 11:00 and 12:00, with values of 12 and 13 respectively, indicating a high risk of harm from unprotected sun exposure. After this zenith, the index starts to taper off, dropping to 10 at 14:00, and further declining to 6 by 15:00. The afternoon brings relief, with levels dropping to 3 at 16:00 and settling at 1 by the evening hours after 17:00, culminating in a UV Index of 0 by 19:00. This clear trend underscores the importance of sun safety during the peak hours of 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	2	low	45 min
09:00	5	moderate	30 min
10:00	9	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	10	very high	15 min
15:00	6	high	25 min
16:00	3	moderate	30 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Baiao

The UV Index shows consistently high levels throughout the year, peaking in March with a striking 16 and remaining in the extreme exposure category. The high-risk months for sun exposure are January through April, during which the UV Index ranges from 14 to 16, indicating a burn time of just 10 minutes before significant skin damage can occur. While summer months, particularly June and July, reflect a slight decrease to 11, the risk remains classified as extreme. Visitors and residents are advised to take necessary precautions during these months, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade, especially during peak sunlight hours. Remember, even on cloudy days, UV rays can penetrate and cause harm, so stay vigilant throughout the year.

Monthly Maximum UV Index for Baiao, Brazil

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

The table above highlights how UV exposure in Baiao 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.

Baiao'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
Baiao	14	15	16	15	13	11	11	12	13	13	13	13