UV Index in Autazes, Brazil

Last updated: May 3, 2025

Understanding the UV Index in Autazes, Brazil is crucial for protecting your skin and promoting overall health. With a tropical climate and substantial sun exposure, residents and visitors alike face varying UV levels throughout the day that can lead to sunburn and long-term skin damage if not appropriately managed. From a peak UV reading of 13 at noon to more moderate levels in the late afternoon, it's essential to stay informed and plan outdoor activities accordingly. By recognizing these UV levels and their implications, you can enjoy the sun safely while safeguarding your skin's health.

Hourly UV Index in Autazes

The UV Index data reveals an intense sun exposure pattern throughout the day. Starting at 7:00 AM with a low of 1, the index climbs steadily, hitting 3 by 8:00 AM. As the sun rises, it reaches a striking 10 at 10:00 AM, peaking at a scorching 13 at noon. The intensity remains high with 12 at 1:00 PM before gradually tapering off from 8 at 2:00 PM to 5 by 3:00 PM. The afternoon sun begins to relent, falling to 2 at 4:00 PM, and finally dwindling to 1 by 5:00 PM and 0 by 6:00 PM, leaving the evening UV levels benign. Those outdoors should exercise caution during peak hours, particularly between 10 AM and 1 PM, when the sun is at its most potent.

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	10	very high	15 min
11:00	12	extreme	10 min
12:00	13	extreme	10 min
13:00	12	extreme	10 min
14:00	8	very high	15 min
15:00	5	moderate	30 min
16:00	2	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 Autazes

Throughout the year, UV Index levels remain extremely high, with values consistently above 10 from January to November. The months of January, February, March, and April are particularly critical, each peaking at an extreme UV Index of 16, indicating a burn time of just 10 minutes. While May through August see a slight decline, the Index remains dangerously elevated, ranging from 11 to 13. September and October maintain high levels at 12, and November returns to 14, reinforcing the need for vigilance. Residents and visitors are strongly advised to take protective measures year-round, including wearing sunscreen, protective clothing, and UV-blocking sunglasses to minimize the risk of skin damage and sunburn.

Monthly Maximum UV Index for Autazes, Brazil

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

The table above highlights how UV exposure in Autazes 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.

Autazes'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
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13
Autazes	15	16	16	16	13	12	11	11	12	12	14	14