UV Index in Irara, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Irara, Brazil is crucial for everyone who enjoys the sun-drenched days typical of this tropical climate. Being mindful of UV levels not only helps in preventing sunburn but also plays a vital role in maintaining overall skin health. With the UV Index in Irara peaking at 10 around midday, it's essential to be proactive in protecting your skin from potentially harmful exposure. Early mornings and late afternoons may offer lower UV exposure, but the risks during peak hours highlight the need for awareness and protective measures. Stay informed and keep your skin safe while enjoying the beautiful Brazilian sunshine!

Hourly UV Index in Irara

The UV Index throughout the day showcases a notable peak from 11:00 AM to 12:00 PM, where it reaches a high of 10, indicating very high levels of UV radiation and a strong need for sun protection. This intense sunlight starts to build up at 9:00 AM with a reading of 5, escalating to 8 by 10:00 AM. As the afternoon unfolds, the index gradually declines, dropping to 6 at 2:00 PM, followed by a significant decrease back to 3 by 3:00 PM. By the evening, the UV levels return to safe numbers, tapering off to 1 at 4:00 PM and 0 by 6:00 PM, prompting a welcome end to the day’s sun exposure. Always remember to take precautions during those peak 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	3	moderate	30 min
09:00	5	moderate	30 min
10:00	8	very high	15 min
11:00	10	very high	15 min
12:00	10	very high	15 min
13:00	8	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