UV Index in Aracuai, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors of Aracuai, Brazil, where the intense sun can expose skin to damaging ultraviolet rays. With typical UV levels peaking at 8 during the midday hours, awareness is vital for preventing sunburn and promoting overall skin health. The region's Aw climate offers warm temperatures year-round, but with that warmth comes increased risks of UV exposure. By keeping an eye on the UV Index, you can take proactive steps to protect yourself and enjoy the beautiful outdoor environment safely.

Hourly UV Index in Aracuai

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 Aracuai

Throughout the year, the UV Index in this region fluctuates significantly, indicating varying levels of sun exposure risk. The high-risk months are notable from January to April and then again in August to November, when the UV Index remains at extreme levels (15-14) for most of this period, necessitating caution due to a very short burn time of just 10 minutes. Conversely, from May to July, the index drops slightly to a very high level (10-8), allowing for a burn time of 15 minutes. Visitors and residents should ensure to take precautions during these months, such as seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during peak sun hours to minimize the risk of skin damage.

Monthly Maximum UV Index for Aracuai, Brazil

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

The table above highlights how UV exposure in Aracuai 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.

Aracuai'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
Aracuai	15	15	14	13	10	8	9	11	12	14	15	15
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13