UV Index in Monteiro, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Monteiro, Brazil, where the climate features warm, sunny days typical of a tropical zone. With UV levels peaking at a staggering 11 during midday, awareness of these fluctuations is vital for sunburn prevention and maintaining long-term skin health. By keeping an eye on the UV Index, you can better protect yourself and your loved ones from the harmful effects of overexposure to sunlight, particularly in a region where outdoor activities are common. Stay informed and enjoy the beauty of Monteiro while ensuring your safety under the sun!

Hourly UV Index in Monteiro

As the sun rises, the UV Index climbs steadily, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it reaches 3, marking the beginning of increased sun exposure. The day continues to heat up, with the index peaking at a remarkable 11 from 11:00 AM to 12:00 PM, indicating a high risk for harm from unprotected sun exposure. As the afternoon sets in, it gradually declines, dropping to 6 by 2:00 PM and subsequently to 3 by 3:00 PM. As the sun begins to descend, the index returns to a safer 1 by 4:00 PM and tapers off to 0 after 6:00 PM. This hourly trend underscores the importance of sun protection during the midday hours when the UV exposure 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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 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 Monteiro

Throughout the year, UV levels remain consistently high, with an UV Index categorized as extreme from January to December, peaking at 15 in February, March, November, and December. The highest burn time is just 10 minutes, indicating that skin can burn significantly quickly during these months. While there isn't a true off-season for UV exposure, high-risk months notably coincide with the winter and fall months—particularly January, February, November, and December—when UV levels remain dangerously elevated. Visitors and residents are advised to take precautionary measures, such as wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade to minimize the risk of UV-related skin damage throughout the year.

Monthly Maximum UV Index for Monteiro, Brazil

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

The table above highlights how UV exposure in Monteiro 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.

Monteiro'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
Monteiro	14	15	15	14	12	11	11	12	14	14	15	15