UV Index in Aracati, Brazil

Last updated: August 1, 2025

Understanding the UV Index in Aracati, Brazil is essential for protecting your skin and overall health. As one of the key indicators of solar ultraviolet radiation levels, the UV Index helps residents and visitors alike gauge the risk of sunburn and long-term skin damage. Aracati's tropical climate often leads to elevated UV exposure, especially during peak hours. With values reaching a maximum of 11 around midday, being aware of these levels is crucial in taking proactive measures to enjoy the sun safely. Whether you're lounging on the beach or exploring local attractions, knowing the UV Index can empower you to make informed choices that promote skin health and prevent harmful effects from the sun.

Hourly UV Index in Aracati

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	2	low	45 min
08:00	4	moderate	30 min
09:00	7	high	25 min
10:00	10	very high	15 min
11:00	12	extreme	10 min
12:00	12	extreme	10 min
13:00	10	very high	15 min
14:00	7	high	25 min
15:00	4	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 Aracati

The UV Index data reveals extremely high UV levels throughout the year, with peak values observed from March (15) to April (15). High-risk months include January through April and November, where the UV Index consistently hovers between 14 to 15, necessitating vigilance against sunburn within just 10 minutes of exposure. Visitors and residents are strongly advised to take precautionary measures during these months, such as wearing broad-spectrum sunscreen, protective clothing, and seeking shade during peak sunlight hours. Even in the later months of the year, October to December maintain a significant UV Index of up to 14, making it crucial to remain sun-safe year-round.

Monthly Maximum UV Index for Aracati, Brazil

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

The table above highlights how UV exposure in Aracati 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.

Aracati'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
Aracati	14	14	15	15	13	11	11	12	13	13	14	13
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13