UV Index in Praia Grande, Brazil

Last updated: August 1, 2025

In Praia Grande, Brazil, understanding the UV Index is crucial for protecting your skin and maintaining overall health. With the potential for strong UV radiation, especially during peak hours, being aware of daily UV levels can help prevent sunburn and long-term skin damage. The Cfa climate of Praia Grande offers beautiful, sunny days, but it also brings increased UV exposure risks, particularly between 11:00 AM and 2:00 PM when the UV Index reaches up to 6. Stay informed and take precautions to enjoy the sun safely!

Hourly UV Index in Praia Grande

The UV Index throughout the day tells a compelling story of sun exposure. Starting at 07:00, the index is a low 1, gradually rising to a moderate 3 by 09:00. As the clock strikes 10:00, it hits 4, indicating increasing intensity. The peak occurs between 11:00 and 13:00, where the index reaches its maximum of 6, suggesting a need for sun protection. From this high point, the index begins to descend, dropping to 5 at 14:00, before tapering off to 3 by 15:00. As daylight wanes, the UV Index falls sharply to 1 by 16:00, ultimately dropping to 0 by 18:00 and staying there through 19:00. This highlights the importance of vigilance during midday hours when UV radiation is at its strongest.

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	4	moderate	30 min
10:00	6	high	25 min
11:00	8	very high	15 min
12:00	9	very high	15 min
13:00	8	very high	15 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 Praia Grande

Throughout the year, UV Index levels fluctuate significantly, with the months of January through April and September through November marked by extreme exposure (UV Index 11 and above) and a very short burn time of just 10 minutes. Notably, February and November see a peak UV Index of 14, indicating heightened risk. The high-risk months for UV exposure, therefore, are January, February, September, October, and November. Conversely, during the warmer months of May to August, the UV Index decreases to very high and high categories, with longer burn times of 15 to 25 minutes. Visitors and residents are advised to take precautions during these high-risk periods, such as wearing protective clothing, using high-SPF sunscreen, and seeking shade when UV levels are at their peak.

Monthly Maximum UV Index for Praia Grande, Brazil

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

The table above highlights how UV exposure in Praia Grande 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.

Praia Grande'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
Praia Grande	15	14	12	11	8	6	6	9	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