UV Index in Aracatuba, Brazil

Last updated: June 2, 2025

In Aracatuba, Brazil, being aware of the UV Index is crucial for maintaining skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike make informed decisions about sun exposure, especially during the peak hours when UV radiation is at its highest. With a tropical climate characterized by warm temperatures and significant sunlight, Aracatuba presents unique challenges when it comes to UV exposure. During midday hours, for instance, the UV Index can soar to 7, indicating a high risk of harm from unprotected sun exposure. Stay informed and protect your skin while enjoying all that this vibrant city has to offer!

Hourly UV Index in Aracatuba

The UV Index data reveals a significant fluctuation in solar intensity throughout the day. Starting at 07:00, the index registers a low 1, indicating minimal risk. As the sun climbs higher, it peaks dramatically at 12:00 with a 7, categorizing it as high. This midday zenith is crucial for outdoor activities; however, caution is advised. The afternoon sees a slight decline, dropping to 3 by 15:00, and eventually receding to 0 after 18:00. Thus, while the early hours offer safe sun exposure, midday warrants protective measures to shield against harmful UV rays.

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.
TimeUVICategoryTime to Burn
07:001low45 min
08:001low45 min
09:002low45 min
10:004moderate30 min
11:006high25 min
12:007high25 min
13:006high25 min
14:005moderate30 min
15:003moderate30 min
16:002low45 min
17:001low45 min
18:000low45 min
19:000low45 min

Monthly UV Index Trends in Aracatuba

The seasonal UV changes indicate that exposure levels are consistently high, particularly from January to April, where the UV Index remains in the extreme category, peaking at 16 in February and December. High-risk months include January, February, March, April, September, October, and November, as they all feature an extreme UV Index that can lead to sunburn in as little as 10 minutes. Conversely, the summer months of May, June, July, and August experience a drop to very high and high categories, with slightly longer burn times of 15 to 25 minutes. Visitors and residents should take precautions during all months, especially in extreme UV conditions, by seeking shade, wearing protective clothing, and applying broad-spectrum sunscreen to minimize the risk of skin damage.

Monthly Maximum UV Index for Aracatuba, Brazil

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Aracatuba. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161613118781012141416
Data source: Statistical UV Index data for Aracatuba, 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 Aracatuba UV Index with Other Brazil Cities

The table above highlights how UV exposure in Aracatuba 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.
Aracatuba's solar exposure compared to other cities in Brazil. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Rio de Janeiro UVI15141310767911121315
Sao Paulo UVI16151211867911131415
Aracatuba151613118781012141416
Belo Horizonte UVI171614129781012131416
Salvador UVI1414141310991212151514
Fortaleza UVI141415151311111213131313