UV Index in Porto Calvo, Brazil

Last updated: July 2, 2025

Understanding the UV Index is crucial for residents and visitors of Porto Calvo, Brazil, where the tropical climate presents unique sun exposure challenges. With peak UV levels reaching as high as 11 around noon, staying informed about the daily UV Index is essential for effective sunburn prevention and overall skin health. This awareness not only helps mitigate the risks of long-term skin damage but also enhances outdoor enjoyment in this vibrant coastal city. Whether you're lounging on the beach or exploring local attractions, knowing how to protect your skin from harmful UV rays is key to a safe and enjoyable experience in Porto Calvo's sunny environment.

Hourly UV Index in Porto Calvo

During the day, the UV Index experiences a dynamic fluctuation. Starting from a calm 1 at 07:00, it rises steadily, peaking at an intense 11 by 11:00, indicating a high risk of harm from unprotected sun exposure. As the clock hits 12:00, it slightly drops to 10, but remains within the very high range. The afternoon sees a gradual decline, dropping to 6 by 14:00, and further down to 3 by 15:00, signaling a safer environment for outdoor activities. As the sun sets, the index plummets to 1 by 16:00 and ultimately reaches 0 by 18:00, leaving a serene evening ahead. Always remember to protect your skin when the UV Index is high!

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	3	moderate	30 min
09:00	6	high	25 min
10:00	9	very high	15 min
11:00	11	extreme	10 min
12:00	10	very high	15 min
13:00	9	very high	15 min
14:00	6	high	25 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 Porto Calvo

The UV Index remains consistently high throughout the year, with extreme levels recorded from January to November, particularly peaking in March and November at an index of 15. Key high-risk months for UV exposure include January, February, March, April, November, and December, where the index hovers around 14-15, indicating a burn time as short as 10 minutes. Visitors and residents should take significant precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade, especially during midday hours, to minimize the risk of sunburn and long-term skin damage.

Monthly Maximum UV Index for Porto Calvo, Brazil

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

The table above highlights how UV exposure in Porto Calvo 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.

Porto Calvo'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
Porto Calvo	14	14	15	14	12	11	11	12	13	13	15	14
Fortaleza UVI	14	14	15	15	13	11	11	12	13	13	13	13