UV Index in Urucuca, Brazil

Last updated: June 2, 2025

In Urucuca, Brazil, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding the fluctuation of UV levels throughout the day can help residents and visitors alike make informed decisions about sun exposure. With an Af climate, Urucuca experiences significant UV radiation, especially during peak hours from 10 AM to 1 PM, where values can reach a concerning 9. Protecting yourself during these times is essential to avoid the harmful effects of sun exposure, ensuring that your outdoor activities remain enjoyable and safe.

Hourly UV Index in Urucuca

As the sun climbs higher in the sky, the UV Index reaches its peak during midday, showcasing a striking pattern in the hourly data. Starting at a modest 1 by 07:00, it gradually escalates, hitting 2 by 08:00. The intensity continues to rise, peaking at a formidable 9 by both 11:00 and 12:00—a clear invitation to slather on the sunscreen! As the afternoon progresses, the index begins to decline, dropping to 7 at 13:00, and gently tapering off to 3 by 15:00. By late afternoon and into the evening, the UV threat recedes, plummeting to 1 at 16:00, and finally fading into 0 from 18:00 onward. This hourly journey underscores the importance of sun safety at its zenith!

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	9	very high	15 min
12:00	9	very high	15 min
13:00	7	high	25 min
14:00	5	moderate	30 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 Urucuca

Throughout the year, UV Index levels demonstrate significant seasonal changes, predominantly remaining in the extreme and very high categories. The high-risk months are concentrated from January to April and August to November, with UV Index values peaking at 15 in February, November, and December. During these months, the burn time is notably low, around 10 minutes, necessitating vigilant sun protection measures. Visitors and residents should take extra precautions during these months by wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade whenever the UV Index is high to minimize the risk of skin damage.

Monthly Maximum UV Index for Urucuca, Brazil

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

The table above highlights how UV exposure in Urucuca 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.

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