UV Index in Cascavel, Brazil

Last updated: July 2, 2025

Understanding the UV Index in Cascavel, Brazil is crucial for safeguarding your skin and overall health. With high UV levels typically observed during peak sun hours, awareness of these fluctuating indexes can help you prevent painful sunburn and long-term skin damage. Cascavel’s Cfa climate means that sunlight exposure can be intense, particularly from noon to early afternoon, reaching a maximum UV Index of 7. By staying informed about daily UV levels, you can enjoy the beautiful outdoors responsibly while protecting your skin!

Hourly UV Index in Cascavel

As the day unfolds, the UV Index begins at a low level of 0 at 7 AM, making it a safe time to enjoy outdoor activities. By 8 AM, it slightly rises to 1, indicating minimal risk. The sun climbs higher, and by 10 AM, the index reaches 3, suggesting moderate exposure. 11 AM marks a significant jump to 5, leading to a high UV risk, while 12 PM and 1 PM peak at 7, where protective measures are essential. The index gradually declines throughout the afternoon, dropping to 6 at 2 PM, 4 at 3 PM, and further decreasing to 2 by 4 PM. As the sun sets, the risk diminishes to 1 by 5 PM, and finally back to 0 after 6 PM. This hourly data underscores the importance of sensible sun exposure, especially during 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	0	low	45 min
08:00	1	low	45 min
09:00	2	low	45 min
10:00	3	moderate	30 min
11:00	5	moderate	30 min
12:00	7	high	25 min
13:00	7	high	25 min
14:00	6	high	25 min
15:00	4	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 Cascavel

During the year, UV levels fluctuate significantly, with particularly high-risk months occurring from January to April and September to November. Notably, these months have an extreme UV Index of 15-11, with a very short burn time of just 10 minutes. The UV Index starts to decrease in May and July, where it shifts to a very high and high exposure category, allowing for slightly longer burn times of 15 to 25 minutes. August sees a rise again before returning to extreme levels in September and October. Visitors and residents should take precautionary measures during high UV months: wear sunscreen, protective clothing, and hats, and seek shade when outside, especially during midday hours to reduce the risk of skin damage.

Monthly Maximum UV Index for Cascavel, Brazil

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

The table above highlights how UV exposure in Cascavel 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.

Cascavel'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
Cascavel	15	15	13	11	8	6	7	9	11	14	15	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