October Weather in Jacarei, Brazil

Last updated: August 22, 2025

In Jacarei, Brazil, the average temperature in October hovers around 21°C (71°F), with temperatures ranging from a cool 11°C (52°F) to a sizzling 36°C (98°F). Expect about 120 mm (4.7 in) of precipitation spread over 15 days, and enjoy an average humidity level of 50%. Get ready for a month that offers both warmth and occasional rain!

October Temperature in Jacarei

In October in Jacarei, the average temperature is 21°C (71°F), with maximums reaching 36°C (98°F) and minimums dropping as low as 11°C (52°F). This pleasant weather makes Jacarei an ideal destination for travelers seeking a comfortable climate.

October Weather in Jacarei: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Jacarei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jacarei, October typically has an average temperature of 21°C (71°F), with highs reaching up to 36°C (98°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec757473706564626470707073
Data source: Temperature data for Jacarei generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Jacarei

In Jacarei in October, the precipitation amount is 120 mm (4.7 in) spread over 15 days.

October Precipitation Trends in Jacarei

The chart displays monthly precipitation patterns in Jacarei, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Jacarei, October typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec161154122475035215450120123149
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Jacarei

In Jacarei in October humidity is 50%. With an average temperature of 21°C (71°F), this humidity feels like a pleasant embrace, making it comfortable for exploring the sights and indulging in outdoor activities without feeling overheated or sticky.

October Average Humidity in Jacarei

This chart illustrates the average monthly humidity levels in Jacarei, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Jacarei is approximately 50%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%84%79%77%72%65%58%50%75%80%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Jacarei

In Jacarei in October, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Jacarei.

Maximum UV Index Levels in Jacarei for October

The chart shows the monthly maximum UV Index (UVI) for Jacarei in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Jacarei typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec16161311867912131416
Data source: Jacarei October UVI data generated using 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.

How October Weather in Jacarei Compares to Other Months

Weather in Jacarei varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Jacarei, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Jacarei, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)161 mm (6.3 inches)88%extreme
February Weather23°C (74°F)154 mm (6.0 inches)88%extreme
March Weather23°C (74°F)122 mm (4.8 inches)87%extreme
April Weather21°C (70°F)47 mm (1.8 inches)84%extreme
May Weather19°C (66°F)50 mm (2.0 inches)79%very high
June Weather18°C (65°F)35 mm (1.4 inches)77%high
July Weather17°C (62°F)21 mm (0.8 inches)72%high
August Weather18°C (64°F)54 mm (2.1 inches)65%very high
September Weather21°C (70°F)50 mm (2.0 inches)58%extreme
October Weather21°C (71°F)120 mm (4.7 inches)50%extreme
November Weather21°C (71°F)123 mm (4.8 inches)75%extreme
December Weather23°C (73°F)149 mm (5.9 inches)80%extreme

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