UV Index in Monte Alto, Brazil

Last updated: January 18, 2026

In Monte Alto, Brazil, understanding the UV Index is essential for safeguarding your skin and overall health. With the region's warm climate, awareness of UV levels can help prevent sunburn and reduce the long-term risks of skin damage. Peak UV exposure often occurs between 11:00 AM and 1:00 PM, reaching levels as high as 8. Knowing when the sun is at its strongest empowers residents and visitors to take necessary precautions, ensuring enjoyable outdoor activities without compromising skin health. Stay informed and protect yourself under the vibrant Brazilian sun!

Hourly UV Index in Monte Alto

As the day breaks, the UV Index gradually rises, peaking at a robust 8 at 12:00 PM, signaling the sun's intensity is at its highest. Starting from a mild 1 at 07:00 AM and 08:00 AM, the UV levels steadily climb, hitting 5 by 10:00 AM. By 11:00 AM, a brisk 7 indicates that sun safety measures are essential. The intensity slightly declines after noon, tapering off to 6 at 2:00 PM, and then gradually decreases to a 4 by 3:00 PM. By evening, the UV Index drops back to a mere 1 at 5:00 PM and ultimately falls to 0 after 6:00 PM, signaling a safe return home as the sun sets. Keep this UV pattern in mind for outdoor activities to protect your skin and enjoy 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	60+ minutes
08:00	3	moderate	30–60 min
09:00	7	high	15–30 min
10:00	11	extreme	<10 minutes
11:00	14	extreme	<10 minutes
12:00	16	extreme	<10 minutes
13:00	16	extreme	<10 minutes
14:00	13	extreme	<10 minutes
15:00	9	very high	10–15 min
16:00	5	moderate	30–60 min
17:00	2	low	60+ minutes
18:00	1	low	60+ minutes
19:00	0	low	60+ minutes

Monthly UV Index Trends in Monte Alto

The UV Index shows significant seasonal variation, with extremely high levels persisting from January to April and then again in September to December. High-risk months include January, February, March, April, September, October, November, and December, where the UV Index remains at 13 or above, indicating a burn time of just 10 minutes. Even during the summer months, while the risk drops slightly to a very high level in May, July, and August, visitors and residents should remain vigilant. It is crucial to take protective measures, such as wearing sunscreen, seeking shade, and wearing protective clothing during these periods of high UV exposure, particularly in the peak months.

Monthly Maximum UV Index for Monte Alto, Brazil

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

The table above highlights how UV exposure in Monte Alto 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.

Monte Alto'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
Monte Alto	16	16	13	11	8	7	8	10	12	14	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