UV Index in Baiao, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors in Baiao, Brazil, where the sun's intensity can pose significant health risks. Knowledge of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining long-term skin health. Baiao, with its tropical climate, experiences high UV exposure, especially during the midday hours when the index can peak at an intense 11. Being aware of these levels can empower you to take necessary precautions, ensuring a safe and enjoyable time under the Brazilian sun.

Hourly UV Index in Baiao

The UV Index for the day paints a vivid picture of sun intensity, reaching its peak at 12:00 PM with a blistering 11, indicating a high risk of harm from unprotected sun exposure. Starting from a mild 1 at 7 AM, the index ramps up quickly, hitting 4 by 9 AM and soaring to 9 by 11 AM. As the clock strikes 1 PM, it dips slightly to 10, before descending steadily to 6 by 3 PM and dropping to a mere 1 by 5 PM. The afternoon hours bring relief as the sun retreats, culminating in a shadowy 0 by 7 PM. This data underscores the importance of sun safety during the midday hours when the risk is at its highest.

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	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 min
14:00	8	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