UV Index in Muniz Freire, Brazil

Last updated: June 2, 2025

In Muniz Freire, Brazil, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels enables residents and visitors alike to take proper precautions, especially during peak sunlight hours when UV radiation can be most intense. The region's Cfa climate contributes to significant UV exposure risks, particularly between 11:00 AM and 1:00 PM when the UV Index soars to a high of 7. By keeping an eye on the UV Index, you can enjoy the beautiful outdoor landscape while protecting your skin from harmful effects.

Hourly UV Index in Muniz Freire

As the day unfolds, the UV Index reaches its peak during the late morning and early afternoon hours. Starting at a mild 1 at 7 AM, the index gradually climbs to a more noticeable 7 by 11 AM, signaling a time when sun protection becomes essential. It holds steady at 7 until noon, then begins to decline, dipping to 4 by 2 PM, and further falling to 1 by 4 PM. By evening, the UV Index drops to 0, indicating a safe time to enjoy the outdoors without the worry of harmful UV exposure. Remember, during the peak hours from 10 AM to 2 PM, it's crucial to wear sunscreen and protective clothing to safeguard 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	2	low	45 min
09:00	4	moderate	30 min
10:00	6	high	25 min
11:00	7	high	25 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	4	moderate	30 min
15:00	2	low	45 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 Muniz Freire

Throughout the year, the UV Index shows significant fluctuations, with the highest levels occurring from January to April, where the index frequently reaches 16, categorizing exposure as extreme and indicating a burn time of just 10 minutes. This trend continues in September to November, with similarly high risks. May to August sees a slight decrease in UV intensity, but July and August still register as very high, with a burn time of 15 minutes; thus, caution is still essential. Visitors and residents are advised to take appropriate sun safety measures, particularly during high-risk months (January to April and September to November), by wearing protective clothing, applying sunscreen, and limiting sun exposure during peak hours.

Monthly Maximum UV Index for Muniz Freire, Brazil

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

The table above highlights how UV exposure in Muniz Freire 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.

Muniz Freire'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
Muniz Freire	16	16	14	12	9	7	8	10	12	14	15	15
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