UV Index in Sorocaba, Brazil

Last updated: August 1, 2025

Understanding the UV Index is crucial for residents of Sorocaba, Brazil, where the sun can be both a source of warmth and a potential health hazard. Awareness of UV levels is vital for preventing sunburn and protecting skin health, especially during the peak hours when the index can reach up to 7 around midday. Sorocaba's Cfa climate brings warm, humid summers with significant sun exposure, elevating the risk of UV damage. By keeping an eye on the UV Index, you can enjoy outdoor activities while safeguarding your skin from harmful rays.

Hourly UV Index in Sorocaba

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	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	9	very high	15 min
14:00	7	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 Sorocaba

Throughout the year, UV levels exhibit significant seasonal changes, with the highest risk months occurring from January to April and again from September to November, where the UV Index consistently reaches extreme levels (11-16) and a burn time of just 10 minutes is noted. Conversely, during the summer months of June and July, the UV Index decreases to a high level (6-7) with increased burn times of 25 minutes, while May and August present very high levels (8-9) with slightly longer burn times of 15 minutes. Given this data, it is essential for visitors and residents to prioritize sun protection, especially in the extreme UV months, by wearing appropriate clothing, applying sunscreen, and limiting sun exposure during peak hours to safeguard their health and well-being.

Monthly Maximum UV Index for Sorocaba, Brazil

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

The table above highlights how UV exposure in Sorocaba 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.

Sorocaba'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
Sorocaba	16	15	13	11	8	6	7	9	11	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