UV Index in Carnaiba, Brazil

Last updated: June 2, 2025

Understanding the UV Index is crucial for residents of Carnaiba, Brazil, where the sun's intensity can reach dangerous levels. With an intense tropical climate, Carnaiba experiences significant UV exposure, especially during midday when the index peaks at 11—a level that can result in severe sunburn in just minutes. Being aware of UV levels not only helps prevent painful burns but also plays a vital role in long-term skin health, reducing the risk of skin cancer and premature aging. Stay informed and protect yourself as you enjoy the beautiful sunny days in this vibrant region!

Hourly UV Index in Carnaiba

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 Carnaiba

The UV Index in our region remains notably high throughout the year, with consistently extreme levels ranging from 11 to 15. January through April and November to December see the highest values, particularly reaching a peak of 15 in November and December. The burn time across all months is alarmingly short, at just 10 minutes, underscoring the severe risk of skin damage year-round. March stands out as particularly intense with a UV Index of 15, while May to July present slightly lower peaks but remain in the extreme category. Visitors and residents are strongly advised to take serious precautions year-round, including wearing sunscreen, protective clothing, and seeking shade to mitigate the risks of prolonged sun exposure, especially during these high-risk months.

Monthly Maximum UV Index for Carnaiba, Brazil

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

The table above highlights how UV exposure in Carnaiba 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.

Carnaiba'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
Carnaiba	14	14	15	14	12	11	11	12	14	14	15	15