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October Weather in Brazil, United States

Last updated: June 24, 2025

In October, the average temperature in Brazil, United States hovers around 15°C (58°F). However, be prepared for a wide range, as temperatures can drop to a chilly -4°C (25°F) or rise to a sweltering 33°C (92°F). With 112 mm (4.4 in) of precipitation expected over about 12 days, it's wise to keep an umbrella handy! The air tends to be quite humid, with an average humidity level of 76%, making it feel even warmer.

October Temperature in Brazil

In October in Brazil, the average temperature is 15°C (58°F). Maximums can reach 33°C (92°F), while minimums can drop as low as -4°C (25°F). Be prepared for a wide range of temperatures if you're planning to travel during this month.

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

The chart illustrates October temperature patterns in Brazil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brazil, October typically has an average temperature of 15°C (58°F), with highs reaching up to 33°C (92°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec313444536574777470584237
Data source: Temperature data for Brazil 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 Brazil

In Brazil in October, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.

October Precipitation Trends in Brazil

The chart displays monthly precipitation patterns in Brazil, 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 Brazil, October typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8698130105134115106108691129790
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Brazil

In Brazil in October, humidity is 76%. With an average temperature of 15°C (58°F), this humidity feels like a warm, heavy blanket wrapping around you, making traveling somewhat uncomfortable and sticky, while the mild temperature encourages you to explore but demands frequent breaks in the shade.

October Average Humidity in Brazil

This chart illustrates the average monthly humidity levels in Brazil, 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 Brazil is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Brazil

In Brazil in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Brazil, you can refer to this Hourly UV Index in Brazil.

Maximum UV Index Levels in Brazil for October

The chart shows the monthly maximum UV Index (UVI) for Brazil 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 Brazil typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Brazil 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 Brazil Compares to Other Months

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

This table compares monthly weather conditions in Brazil, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)85 mm (3.4 inches)87%moderate
February Weather1°C (34°F)98 mm (3.9 inches)85%moderate
March Weather6°C (44°F)130 mm (5.1 inches)86%high
April Weather12°C (53°F)105 mm (4.1 inches)84%very high
May Weather18°C (66°F)134 mm (5.3 inches)79%very high
June Weather23°C (75°F)115 mm (4.5 inches)82%extreme
July Weather25°C (78°F)106 mm (4.2 inches)79%very high
August Weather24°C (75°F)108 mm (4.3 inches)70%very high
September Weather21°C (71°F)68 mm (2.7 inches)69%very high
October Weather15°C (58°F)112 mm (4.4 inches)76%high
November Weather6°C (42°F)97 mm (3.8 inches)88%moderate
December Weather3°C (37°F)90 mm (3.5 inches)87%moderate

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