UV Index in Sao Carlos, Brazil

Last updated: June 2, 2025

Understanding the UV Index is essential for residents and visitors in Sao Carlos, Brazil, where the climate can lead to high sun exposure risks. Knowledge of UV levels not only aids in preventing sunburn but also plays a crucial role in maintaining long-term skin health. With typical midday UV readings reaching up to 7, it’s important to be aware of peak sunlight hours and take necessary precautions. The warm, tropical climate of Sao Carlos can intensify these UV levels, making it vital for everyone to stay informed and safeguard their skin against harmful rays.

Hourly UV Index in Sao Carlos

The UV Index data for the day reveals a notable peak around noon, reaching a maximum of 7, indicating a high level of sun exposure. The morning begins with a mild index, starting at 1 at 07:00 and 08:00. By 09:00, it rises to 2, slowly climbing to 4 by 10:00. The intensity escalates significantly by 11:00 and hits its zenith at 12:00. After that, the UV levels gradually decline, dropping to 6 at 13:00 and 5 at 14:00, before falling to 3 by 15:00. As the evening approaches, the UV Index decreases rapidly, returning to 1 by 16:00 and reaching 0 by 18:00, signaling an end to the sun's harmful rays for the day. Remember to stay protected during those 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	1	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	6	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 Sao Carlos

Throughout the year, the UV Index experiences notable fluctuations, with extreme levels prevalent during the winter months and early spring. The highest risk for UV exposure occurs from January to April, where the UV Index consistently reaches between 15 and 16, demanding a burn time of merely 10 minutes. As we transition into the summer, the index dips slightly to a very high level in May through July, with burn times extending to 15 and 25 minutes. A resurgence of extreme levels occurs again in September, October, and November, reiterating the importance of vigilance toward UV exposure year-round. Residents and visitors are strongly advised to take protective measures, such as wearing sunscreen, protective clothing, and seeking shade, especially during these high-risk months.

Monthly Maximum UV Index for Sao Carlos, Brazil

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

The table above highlights how UV exposure in Sao Carlos 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.

Sao Carlos'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
Sao Carlos	15	16	13	11	8	7	8	10	12	13	14	16
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