UV Index in Manhumirim, Brazil

Last updated: July 2, 2025

In Manhumirim, Brazil, being aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels is essential not only for preventing sunburn but also for minimizing long-term skin damage. With a Cwa climate characterized by warm summers and varying UV exposure, residents and visitors alike must be mindful of daily UV fluctuations. Typically peaking at a high level of 8 around noon, the UV Index can pose significant risks if sun protection measures are ignored. Stay informed and enjoy the sunny days safely!

Hourly UV Index in Manhumirim

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 by 7:00 AM. By 8:00 AM, it nudges up to 2, signaling a mild increase in UV exposure. The intensity heats up quickly, reaching a moderate 4 by 9:00 AM, before hitting its peak of 8 from 11:00 AM to 12:00 PM. This is the prime time for sun safety awareness! After noon, the UV Index gradually declines; by 3:00 PM, it recedes to 3, and as the day wanes, it drops significantly to 1 by 4:00 PM. By evening, UV levels have diminished, reaching 0 by 6:00 PM, offering a reprieve from the sun’s rays.

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	8	very high	15 min
12:00	8	very high	15 min
13:00	7	high	25 min
14:00	5	moderate	30 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 Manhumirim

During the year, UV levels fluctuate significantly, with the highest exposure occurring from January to April, where the UV Index reaches extreme levels (up to 17), indicating a burn time of only 10 minutes. High-risk months include January through April and September through November, where the index remains in the extreme category with minimal burn times. Visitors and residents should take precautions during these months by wearing protective clothing, applying sunscreen, and seeking shade, particularly during peak sunlight hours. As summer approaches, while UV levels drop to high and very high categories, vigilance is still necessary to prevent skin damage. Stay informed about daily UV levels and adjust your sun safety practices accordingly.

Monthly Maximum UV Index for Manhumirim, Brazil

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

The table above highlights how UV exposure in Manhumirim 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.

Manhumirim'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
Manhumirim	17	16	14	12	9	7	8	10	12	14	15	16
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13