UV Index in Antonina, Brazil

Last updated: May 3, 2025

Understanding the UV Index in Antonina, Brazil is crucial for protecting your skin and maintaining overall health. With a humid subtropical climate (Cfa), the region experiences varying UV levels throughout the day, reaching a peak of 7 around noon. This information is vital, as higher UV levels can lead to sunburn and increase the risk of long-term skin damage. By staying informed about the UV Index, residents and visitors can take proactive steps to safeguard themselves against harmful sun exposure, ensuring a safer and more enjoyable experience under the sun.

Hourly UV Index in Antonina

The UV Index for the day reveals a significant shift as the sun rises. Starting at a low 1 at 07:00 and 08:00, the intensity gradually ramps up, peaking at 7 during 12:00 and 13:00—prime time to protect your skin! As the afternoon progresses, it dips to 5 by 14:00, then descends further to 3 at 15:00. The latter part of the day sees a decline in UV exposure, returning to 1 by 16:00 and eventually dropping to 0 by 18:00 and 19:00. Be mindful of the midday sun; it's wise to wear sunscreen and seek shade when the UV Index 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	1	low	45 min
09:00	3	moderate	30 min
10:00	5	moderate	30 min
11:00	6	high	25 min
12:00	7	high	25 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 Antonina

Throughout the year, the UV Index varies significantly, peaking in the winter and late autumn months. From January to April, the UV Index remains at a dangerous level, reaching as high as 15 in January and December, and remaining in the extreme exposure category with a burn time of only 10 minutes. As the year progresses into May and June, the risk decreases slightly, with a UV Index of 7 to 6, classified as high, allowing for 25 minutes of safe exposure. However, August sees a spike to 8 in the very high exposure category, reducing burn time to just 15 minutes. The risk resurges in September and October as the index returns to extreme levels, demanding caution with again only 10 minutes before burn. Residents and visitors should take extra precautions during these high-risk months, particularly from January to April and again in September and October. It’s advisable to apply sunscreen, wear protective clothing, and limit outdoor activities during peak UV times.

Monthly Maximum UV Index for Antonina, Brazil

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

The table above highlights how UV exposure in Antonina 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.

Antonina'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
Antonina	15	14	13	11	7	6	6	8	11	13	14	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