UV Index in Caetes, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Caetés, Brazil is essential for safeguarding your skin and overall health against harmful ultraviolet radiation. With a tropical climate that often boasts high UV levels, being aware of daily UV fluctuations can play a crucial role in preventing sunburn and long-term skin damage. The UV Index here peaks dramatically, reaching levels of 11 around noon, highlighting a significant risk for overexposure. By familiarizing yourself with these daily UV patterns, you can take proactive steps to protect yourself and enjoy the sunny days that Caetés has to offer.

Hourly UV Index in Caetes

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	1	low	45 min
08:00	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	11	extreme	10 min
13:00	9	very high	15 min
14:00	6	high	25 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 Caetes

Throughout the year, the UV Index remains consistently high, with extreme exposure levels from January to November, and only slightly lowering in June and July. The highest risk months are January, March, November, and December, each reaching a UV Index of 15, where the burn time is limited to just 10 minutes. Even during the summer months, the UV Index hovers between 11 and 12, indicating a persistent threat. Visitors and residents are strongly advised to take necessary precautions, such as wearing protective clothing, applying sunscreen frequently, and seeking shade, especially during the peak hours of sunlight. Maintaining awareness of these UV changes is crucial for safe outdoor activities year-round.

Monthly Maximum UV Index for Caetes, Brazil

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

The table above highlights how UV exposure in Caetes 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.

Caetes'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
Caetes	15	14	15	14	12	11	11	12	14	14	15	15