UV Index in Aracaju, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents and visitors in Aracaju, Brazil—a beautiful coastal city known for its warm climate and abundant sunshine. With peak UV levels reaching up to 10 during midday, being aware of these measurements can help you prevent sunburn and maintain healthy skin. The tropical climate of Aracaju means that UV exposure risks are significant, particularly between 10 AM and 2 PM when the sun’s intensity is at its highest. Stay informed and protect your skin by checking the UV Index regularly!

Hourly UV Index in Aracaju

As the sun rises, the UV Index starts off at a gentle 1 at 07:00, making it a safe time to enjoy outdoor activities. However, as the morning progresses, the index climbs sharply, reaching 3 by 08:00 and hitting 6 by 09:00. The peak exposure occurs from 11:00 to 12:00, where it reaches its maximum of 10, indicating a high risk for harm from unprotected sun exposure. By the afternoon, a gradual decline begins: 8 at 13:00, followed by 5 at 14:00, before tapering off to 3 at 15:00. As the day winds down, UV levels decrease to 1 by 16:00 and drop to 0 after 18:00, making late evening a soothing time to relax outdoors without sun concerns. Always remember to protect your skin during those peak hours!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	8	very high	15 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 Aracaju

Throughout the year, the UV index in this region remains consistently high, with several months categorized as extreme exposure. The high-risk months for sun exposure are from January to April, and then again in August and October, where the UV index consistently reaches levels of 14 or 13, leading to a very short burn time of just 10 minutes. Visitors and residents are strongly advised to take necessary precautions during these months, such as wearing protective clothing, applying a high-SPF sunscreen, and seeking shade to minimize the risk of skin damage. June and July present slightly lower UV indices at 10, but caution is still warranted due to the very high exposure category, with a burn time of 15 minutes. Staying aware of the UV levels and taking proactive measures is essential for maintaining skin health year-round.

Monthly Maximum UV Index for Aracaju, Brazil

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

The table above highlights how UV exposure in Aracaju 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.

Aracaju'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
Aracaju	14	14	14	13	11	10	10	12	13	14	14	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13