UV Index in Iranduba, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents of Iranduba, Brazil, where the tropical climate can lead to high levels of ultraviolet radiation. Awareness of UV levels helps in preventing sunburn and protecting skin health, making it essential for outdoor activities, especially during peak sun hours. With maximum UV Index values reaching up to 11 around midday, Iranduba experiences significant exposure risks that can impact both your immediate comfort and long-term skin health. Stay informed and take the necessary precautions to enjoy the sun safely!

Hourly UV Index in Iranduba

As the sun rises, the UV Index begins its ascent, starting at a gentle 1 at 7:00 AM. By 8:00 AM, it climbs to 2, signaling the need for early sun protection. The real intensity hits at 10:00 AM, spiking to 7, and reaching a peak of 11 by noon, a time when precautions are crucial. The mid-afternoon hours, from 1:00 PM to 3:00 PM, maintain a high index of 10 and 8, escalating the urgency for sun safety. As the day winds down, the UV levels drop swiftly, falling back to 2 by 4:00 PM before tapering off to 0 by 6:00 PM. This dynamic pattern highlights the need to stay vigilant during the sun's strongest 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	2	low	45 min
09:00	5	moderate	30 min
10:00	7	high	25 min
11:00	10	very high	15 min
12:00	11	extreme	10 min
13:00	10	very high	15 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 Iranduba

Throughout the year, UV Index levels exhibit only slight variations, predominantly remaining in the extreme exposure category, indicating a consistent risk for sunburn. The months of January to April stand out with notably high UV Index readings peaking at 16, marking them as pervasive high-risk periods. Even in the months leading into winter, from May to December, the UV Index stays within the range of 11 to 13, maintaining a burn time of just 10 minutes for unprotected skin. Visitors and residents are strongly advised to take precautionary measures, including wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours, particularly in the high-risk months of February to April. Remember, even on cloudy days, UV rays can take a toll on your skin, so remain vigilant year-round.

Monthly Maximum UV Index for Iranduba, Brazil

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

The table above highlights how UV exposure in Iranduba 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.

Iranduba'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
Iranduba	14	16	16	16	13	12	11	11	13	13	13	13