UV Index in Cianorte, Brazil

Last updated: July 2, 2025

In Cianorte, Brazil, being aware of the UV Index is crucial for safeguarding your skin health. Understanding UV levels is essential for preventing sunburn and reducing the risk of long-term skin damage, especially given the city’s Cfa climate, characterized by warm summers and high exposure to solar radiation. During peak hours, particularly between 10 AM and 2 PM, the UV Index can reach as high as 7, indicating a high risk of harm from unprotected sun exposure. With this information, residents and visitors can take protective measures to enjoy the beautiful Brazilian sun while keeping their skin safe.

Hourly UV Index in Cianorte

The UV Index for the day presents a dynamic profile, starting from a protective 0 at 07:00 and slowly rising throughout the morning. By 10:00, it reaches a moderate 4, escalating to a peak of 7 between 12:00 and 13:00, indicating it’s time for sun safety precautions. As the afternoon progresses, the index dips gradually; by 16:00, it falls to 2, and finally returns to 0 by 18:00. Plan your day accordingly—early morning and late evening are your best bets for sun exposure, while midday calls for care!

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	4	moderate	30 min
11:00	6	high	25 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 Cianorte

Throughout the year, the UV Index experiences significant seasonal changes, with the highest levels seen from January to April, where it consistently falls within the extreme exposure category (UV Index values of 15 to 13). May marks a slight decrease to a very high category (UV Index 8), leading into a relatively lower high category during June and July (UV Index 6 to 7), before rising again in August with another very high rating. As summer turns to fall, September sees a jump back to extreme levels, similar to the winter months of October, November, and December. Visitors and residents should be especially cautious and limit their sun exposure from November through April and in September, as these months highlight peaks in the extreme UV Index category with a burn time of just 10 minutes. It is advisable to wear protective clothing, use sunscreen, and seek shade during these high-risk periods to ensure skin safety.

Monthly Maximum UV Index for Cianorte, Brazil

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

The table above highlights how UV exposure in Cianorte 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.

Cianorte'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
Cianorte	15	14	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