UV Index in Irara, Brazil

Last updated: May 3, 2025

In Irara, Brazil, awareness of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding daily UV levels empowers residents and visitors to make informed decisions about sun exposure, particularly in this tropical climate where the sun's rays can be intense. With peak UV Index values soaring to 11 around midday, it’s essential to take proactive measures to protect your skin. Whether enjoying outdoor activities or simply soaking up the sun, being aware of these UV levels is vital for a safe and enjoyable experience.

Hourly UV Index in Irara

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 Irara

Throughout the year, UV radiation levels remain notably high, with the most extreme months identified as November (UV Index 15), followed closely by January, February, March, April, August, September, and October (UV Index 14). During these months, the burn time is as short as 10 minutes, necessitating heightened awareness and protection. Conversely, June and July see a slight reduction in risk (UV Index 9 and 10, respectively), extending burn time to 15 minutes. Residents and visitors are strongly advised to take precautionary measures year-round, wearing sunscreen, protective clothing, and sunglasses, especially during the high-risk months to minimize the likelihood of skin damage from UV exposure.

Monthly Maximum UV Index for Irara, Brazil

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

The table above highlights how UV exposure in Irara 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.

Irara'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
Irara	14	14	14	13	11	9	10	12	13	14	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13