UV Index in Araras, Brazil

Last updated: May 3, 2025

Understanding the UV Index is crucial for residents of Araras, Brazil, where the sun's rays can be particularly intense due to its humid subtropical climate. With peak UV levels reaching 8 around midday, awareness of these daily fluctuations can significantly help in preventing sunburn and protecting skin health. In a region where outdoor activities are common, recognizing the risks posed by high UV exposure is essential for maintaining your well-being. Stay informed and enjoy the sun safely!

Hourly UV Index in Araras

The UV Index data paints a vivid picture of sun exposure throughout the day. In the early hours, from 7:00 AM to 9:00 AM, the UV Index remains low, peaking at only 1. However, as the sun climbs higher, from 10:00 AM to 12:00 PM, it surges to 8 at noon, marking the peak of solar intensity. The afternoon sees a slight decline, with the index dropping to 5 at 2:00 PM and further to 3 by 3:00 PM. As evening approaches, the UV levels plummet back to a safe 1 by 4:00 PM, and the sun's diminishing rays result in a 0 by 6:00 PM, signaling a welcome reprieve from UV exposure. Essentially, the peak intensity occurs during midday hours, highlighting the importance of seeking shade and wearing protection during these critical 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	3	moderate	30 min
10:00	5	moderate	30 min
11:00	7	high	25 min
12:00	8	very high	15 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 Araras

Throughout the year, the UV Index shows significant seasonal changes, with high-risk months primarily falling between January and April, where the UV Index remains at an extreme level of 16 to 11 and the burn time is limited to just 10 minutes. This level of risk returns in September through November, where the index spikes again to numbers as high as 14 for November. May introduces a decrease to a very high category with an index of 8, followed by June and July, which stabilize at a high level with an increased burn time of 25 minutes. By August, there's a resurgence to very high, so caution is advised. Therefore, visitors and residents should prioritize sun safety by seeking shade, wearing protective clothing, and applying sunscreen, especially during the months of January to April and September to November when the risk of UV exposure is greatest.

Monthly Maximum UV Index for Araras, Brazil

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

The table above highlights how UV exposure in Araras 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.

Araras'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
Araras	16	16	13	11	8	6	7	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