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October Weather in Sao Joao, Brazil

Last updated: August 22, 2025

In October, the average temperature in Sao Joao, Brazil is a pleasant 23°C (73°F). Expect a minimum of 16°C (61°F) and a comfortable maximum of 31°C (88°F). Throughout the month, you may encounter 39 mm (1.5 in) of precipitation over 14 days, and the average humidity hovers around 74%. Enjoy the mild climate while staying prepared for occasional showers!

October Temperature in Sao Joao

In October in Sao Joao, the average temperature is 23°C (73°F), with maximums reaching 31°C (88°F) and minimums dropping to as low as 16°C (61°F). It's a perfect time for travelers to enjoy mild weather and outdoor activities while exploring the beauty of Sao Joao.

October Weather in Sao Joao: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sao Joao, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Joao, October typically has an average temperature of 23°C (73°F), with highs reaching up to 31°C (88°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec757676747270696970737475
Data source: Temperature data for Sao Joao 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 Sao Joao

In Sao Joao in October, the precipitation amount is 39 mm (1.5 in) during 14 days, indicating a relatively wet period for this time of year.

October Precipitation Trends in Sao Joao

The chart displays monthly precipitation patterns in Sao Joao, 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 Sao Joao, October typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec465098911111031248370393739
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sao Joao

In Sao Joao in October humidity is 74%. With an average temperature of 23°C (73°F), this humidity feels like walking through a warm, enveloping fog, making outdoor activities more strenuous and requiring frequent breaks for hydration.

October Average Humidity in Sao Joao

This chart illustrates the average monthly humidity levels in Sao Joao, 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 Sao Joao is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%87%88%89%90%89%86%84%79%74%71%72%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sao Joao

In Sao Joao in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Sao Joao, you can check here.

Maximum UV Index Levels in Sao Joao for October

The chart shows the monthly maximum UV Index (UVI) for Sao Joao 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 Sao Joao typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151415141211111214141515
Data source: Sao Joao 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 Sao Joao Compares to Other Months

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

This table compares monthly weather conditions in Sao Joao, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)45 mm (1.8 inches)84%extreme
February Weather24°C (76°F)50 mm (2.0 inches)87%extreme
March Weather24°C (76°F)98 mm (3.8 inches)88%extreme
April Weather24°C (75°F)91 mm (3.6 inches)89%extreme
May Weather22°C (73°F)111 mm (4.4 inches)90%extreme
June Weather21°C (71°F)103 mm (4.1 inches)89%extreme
July Weather20°C (69°F)124 mm (4.9 inches)86%extreme
August Weather20°C (69°F)83 mm (3.3 inches)84%extreme
September Weather21°C (71°F)70 mm (2.7 inches)79%extreme
October Weather23°C (73°F)39 mm (1.5 inches)74%extreme
November Weather24°C (75°F)37 mm (1.5 inches)71%extreme
December Weather24°C (75°F)39 mm (1.5 inches)72%extreme

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